-42=9(17x+31)-15

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Solution for -42=9(17x+31)-15 equation: 



-42=9(17x+31)-15

We move all terms to the left:

-42-(9(17x+31)-15)=0



We calculate terms in parentheses: -(9(17x+31)-15), so:

9(17x+31)-15

We multiply parentheses

153x+279-15

We add all the numbers together, and all the variables

153x+264

Back to the equation:

-(153x+264)



We get rid of parentheses

-153x-264-42=0

We add all the numbers together, and all the variables

-153x-306=0

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

-153x=306

x=306/-153

x=-2

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