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

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



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

We move all terms to the left:

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

We multiply parentheses

-9x-(-7(x+5))+45=0



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

-7(x+5)

We multiply parentheses

-7x-35

Back to the equation:

-(-7x-35)



We get rid of parentheses

-9x+7x+35+45=0

We add all the numbers together, and all the variables

-2x+80=0

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

-2x=-80

x=-80/-2

x=+40

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