x+7=3x-8-4

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Solution for x+7=3x-8-4 equation: 



x+7=3x-8-4

We move all terms to the left:

x+7-(3x-8-4)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

x-3x+12+7=0

We add all the numbers together, and all the variables

-2x+19=0

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

-2x=-19

x=-19/-2

x=9+1/2

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