45=-9(-4+x)

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Solution for 45=-9(-4+x) equation: 



45=-9(-4+x)

We move all terms to the left:

45-(-9(-4+x))=0

We add all the numbers together, and all the variables

-(-9(x-4))+45=0



We calculate terms in parentheses: -(-9(x-4)), so:

-9(x-4)

We multiply parentheses

-9x+36

Back to the equation:

-(-9x+36)



We get rid of parentheses

9x-36+45=0

We add all the numbers together, and all the variables

9x+9=0

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

9x=-9

x=-9/9

x=-1

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