-90=-9(x+5)

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Solution for -90=-9(x+5) equation: 



-90=-9(x+5)

We move all terms to the left:

-90-(-9(x+5))=0



We calculate terms in parentheses: -(-9(x+5)), so:

-9(x+5)

We multiply parentheses

-9x-45

Back to the equation:

-(-9x-45)



We get rid of parentheses

9x+45-90=0

We add all the numbers together, and all the variables

9x-45=0

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

9x=45

x=45/9

x=5

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