9=5(x-2)-(x-7)

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Solution for 9=5(x-2)-(x-7) equation: 



9=5(x-2)-(x-7)

We move all terms to the left:

9-(5(x-2)-(x-7))=0



We calculate terms in parentheses: -(5(x-2)-(x-7)), so:

5(x-2)-(x-7)

We multiply parentheses

5x-(x-7)-10

We get rid of parentheses

5x-x+7-10

We add all the numbers together, and all the variables

4x-3

Back to the equation:

-(4x-3)



We get rid of parentheses

-4x+3+9=0

We add all the numbers together, and all the variables

-4x+12=0

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

-4x=-12

x=-12/-4

x=+3

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