-3=4x-8-7

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



-3=4x-8-7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(4x-15)-3=0

We get rid of parentheses

-4x+15-3=0

We add all the numbers together, and all the variables

-4x+12=0

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

-4x=-12

x=-12/-4

x=+3

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