9(1+7x)=9-7(-9-8x)

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Solution for 9(1+7x)=9-7(-9-8x) equation: 



9(1+7x)=9-7(-9-8x)

We move all terms to the left:

9(1+7x)-(9-7(-9-8x))=0

We add all the numbers together, and all the variables

9(7x+1)-(9-7(-8x-9))=0

We multiply parentheses

63x-(9-7(-8x-9))+9=0



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

9-7(-8x-9)

determiningTheFunctionDomain
-7(-8x-9)+9

We multiply parentheses

56x+63+9

We add all the numbers together, and all the variables

56x+72

Back to the equation:

-(56x+72)



We get rid of parentheses

63x-56x-72+9=0

We add all the numbers together, and all the variables

7x-63=0

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

7x=63

x=63/7

x=9

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