-1170=-9(8x+42)

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Solution for -1170=-9(8x+42) equation: 



-1170=-9(8x+42)

We move all terms to the left:

-1170-(-9(8x+42))=0



We calculate terms in parentheses: -(-9(8x+42)), so:

-9(8x+42)

We multiply parentheses

-72x-378

Back to the equation:

-(-72x-378)



We get rid of parentheses

72x+378-1170=0

We add all the numbers together, and all the variables

72x-792=0

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

72x=792

x=792/72

x=11

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