9(x-1)+12=8(x+1)

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Solution for 9(x-1)+12=8(x+1) equation: 



9(x-1)+12=8(x+1)

We move all terms to the left:

9(x-1)+12-(8(x+1))=0

We multiply parentheses

9x-(8(x+1))-9+12=0



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

8(x+1)

We multiply parentheses

8x+8

Back to the equation:

-(8x+8)



We add all the numbers together, and all the variables

9x-(8x+8)+3=0

We get rid of parentheses

9x-8x-8+3=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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