3+2x=12-7x

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Solution for 3+2x=12-7x equation: 



3+2x=12-7x

We move all terms to the left:

3+2x-(12-7x)=0

We add all the numbers together, and all the variables

2x-(-7x+12)+3=0

We get rid of parentheses

2x+7x-12+3=0

We add all the numbers together, and all the variables

9x-9=0

We move all terms containing x to the left, all other terms to the right

9x=9

x=9/9

x=1

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