-66=9(-7-8x)+72x

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Solution for -66=9(-7-8x)+72x equation: 



-66=9(-7-8x)+72x

We move all terms to the left:

-66-(9(-7-8x)+72x)=0

We add all the numbers together, and all the variables

-(9(-8x-7)+72x)-66=0



We calculate terms in parentheses: -(9(-8x-7)+72x), so:

9(-8x-7)+72x

We add all the numbers together, and all the variables

72x+9(-8x-7)

We multiply parentheses

72x-72x-63

We add all the numbers together, and all the variables

-63

Back to the equation:

-(-63)



We add all the numbers together, and all the variables

-3!=0

There is no solution for this equation

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