-45=5x-4(-2x-5)

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Solution for -45=5x-4(-2x-5) equation: 



-45=5x-4(-2x-5)

We move all terms to the left:

-45-(5x-4(-2x-5))=0



We calculate terms in parentheses: -(5x-4(-2x-5)), so:

5x-4(-2x-5)

We multiply parentheses

5x+8x+20

We add all the numbers together, and all the variables

13x+20

Back to the equation:

-(13x+20)



We get rid of parentheses

-13x-20-45=0

We add all the numbers together, and all the variables

-13x-65=0

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

-13x=65

x=65/-13

x=-5

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