2x+-7=12+3x

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



2x+-7=12+3x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2x-(3x+12)=0

We get rid of parentheses

2x-3x-12=0

We add all the numbers together, and all the variables

-1x-12=0

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

-x=12

x=12/-1

x=-12

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