7(x-8)-9(x-7)=x+7-(x-4)

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Solution for 7(x-8)-9(x-7)=x+7-(x-4) equation: 



7(x-8)-9(x-7)=x+7-(x-4)

We move all terms to the left:

7(x-8)-9(x-7)-(x+7-(x-4))=0

We multiply parentheses

7x-9x-(x+7-(x-4))-56+63=0



We calculate terms in parentheses: -(x+7-(x-4)), so:

x+7-(x-4)

determiningTheFunctionDomain
x-(x-4)+7

We get rid of parentheses

x-x+4+7

We add all the numbers together, and all the variables

11

Back to the equation:

-(11)



We add all the numbers together, and all the variables

-2x-4=0

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

-2x=4

x=4/-2

x=-2

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