12x-7+5x=8(2x+1)=x-8

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Solution for 12x-7+5x=8(2x+1)=x-8 equation: 



12x-7+5x=8(2x+1)=x-8

We move all terms to the left:

12x-7+5x-(8(2x+1))=0

We add all the numbers together, and all the variables

17x-(8(2x+1))-7=0



We calculate terms in parentheses: -(8(2x+1)), so:

8(2x+1)

We multiply parentheses

16x+8

Back to the equation:

-(16x+8)



We get rid of parentheses

17x-16x-8-7=0

We add all the numbers together, and all the variables

x-15=0

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

x=15

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