7x-3x+12=3x+7

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



7x-3x+12=3x+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-(3x+7)+12=0

We get rid of parentheses

4x-3x-7+12=0

We add all the numbers together, and all the variables

x+5=0

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

x=-5

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