45=-9(5+x)

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Solution for 45=-9(5+x) equation: 



45=-9(5+x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

9x+90=0

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

9x=-90

x=-90/9

x=-10

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