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Thursday, October 30, 2008

One step equations

Slove the following equations (in words):

X+4=7
3X=12

16 comments:

malvarez said...

Question: x+4=7
well first you have to put subtract -4 then you cross it of. What you do in one side you do to the other. Then you have to subtract 7-4 wich is x =3 then you have to check it.Now what you do to check it is,to see what is x.Now x=4 which then its 4+4=7.
answer: x= 3

lonia said...

what you need too do frist is find out what the verible is and how you get the verible is you have to subtract 7 and 3 and what you get is 4 so you put them together and it means that x equals 3 its easy!!

ANGELICA said...

x+4=7 The answer to the variable is 3.You have to inverse the sign into subtracting instead of adding. So i subtract and it turned out to be 3.And you are suppose to get all the numbers and all the letters on there own sides.So ya thats how I got my answer. =] <3 <3

HCundiff said...

first you have to do the inverse of add and sudtract.then you subtract 4 and you balence it out so you subtract 4 from 7.next you cross out the two 4's the one above and below eachother,and put an x then put a = sign.
answer:x=3

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victoria said...

uh....wel yah u write it out like x+4=7 den i do it da romeo nd juliet way so i draw da lines/walls den i do da inverse thing nd i put a subtraction sign den i work out da problem so 7-4=3 so yah u bring down da x and da equal sign ns x=3.....

nd da last one idk how to do it....
um.. i think u do da wall things nd den um yah idk al i knw is dat da answer is 4 cuz like yah 4x3 is 12 nd now u thinkin duh captain obvious.....hahaha lol=]

Mr.Jacob Williams said...

X+4=10
-4 -4
____
X =6
THATS HOW YOU DO THE PROBLEM :)

Sammehs said...

3X=12
First you have to divide 3 into 12 and that comes out to be 4 so X=4 =D

X+4=7
first you take four away from four and thats zero then what you do to one side you have to do to the other so seven take away four is three so your answer is X=3 ^_^

Have a great day!

Avaldezpaz 7th grade blog said...

first you subtract 4 from 4 and what you do to one side you do to the other so you subtract 4 from 7 which equals 3 and thats your answer.then you check if 3+4=7 and thats correct.

FBrito said...

first you have to change adding to subtracting. next you have to put a four under the other four and seven. you cross out the two 4's and subtract the 7 by 4 to get 3. finaley bring down what you have to get x=3

Roman G. said...

first you have to change the adding into a subtract.THen you have to subtract 4 by 4. Then you do the same thing to the other side.(you subtract 4 from 7)Then you bring down the 3. Also bring down the x and thee = sign down.x=3

Mayra D. said...

Question: x+4=7
You first do the inverse of adding 4 to the variable.4-4=0 then 7-4=3 then you plug your answer to the equation:plug 3 to plus 4 equals 7.
So your answer is x=3

nlara said...

you solve x+4 =10 by you bring down the 4 and what you do to one side you do to anotherso you bring down the 4 on the other side too.
it would look like this x+4=10
-4 -4
so then you subtract and that is how you do the math.

DDrake said...

@Question:x+4=7
To solve I put a wall were the = sign is to seperate the #s from letters. Then I did the invers of the 4 witch is minis 4. And what I do to one side I do to the other side of the wall. So 7 minis 4. Then you bring the x down to the bottom of the wall and the answer to 7-4 and put a = sign in the midal of the wall. And the answer is x=3

Kamar said...

x+4=7
first you have to put subtract -4 then you cross it of. What you do in one side you do to the other. Then you have to subtract 7-4 wich is x =3 then you have to check it.Now what you do to check it is,to see what is x.Now x=4 which then its 4+4=7.

jvalenzuela said...

this is what i have learned so far.so first i would put a negative on the bottom of the subtraction sign i always remember it as doing it the opposite.second i will put a four on the bottom of the four and a four on the bottom of the seven so watever you do to one side you do to the other.third you solve what x is by subtracting seven from four and you get your answer. which means x equals three and that is how i got my answer. SO FAR I HAVE BEEN LEARNING GOOD IN MATH CLASS MATH IS A BLAST.

HCundiff said...

first you have to do the inverse of add and subtract.then you subtract 4 and you balance it out so you subtract 4 from 7.next you cross out the two 4's the one above and below each other,and put an x then put a = sign.
answer:x=3

thank you for choosing Hannah