45=-(4x-5)-x

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



45=-(4x-5)-x

We move all terms to the left:

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



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

-(4x-5)-x

We add all the numbers together, and all the variables

-1x-(4x-5)

We get rid of parentheses

-1x-4x+5

We add all the numbers together, and all the variables

-5x+5

Back to the equation:

-(-5x+5)



We get rid of parentheses

5x-5+45=0

We add all the numbers together, and all the variables

5x+40=0

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

5x=-40

x=-40/5

x=-8

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