45=(130-x)

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Solution for 45=(130-x) equation: 



45=(130-x)

We move all terms to the left:

45-((130-x))=0

We add all the numbers together, and all the variables

-((-1x+130))+45=0



We calculate terms in parentheses: -((-1x+130)), so:

(-1x+130)

We get rid of parentheses

-1x+130

Back to the equation:

-(-1x+130)



We get rid of parentheses

1x-130+45=0

We add all the numbers together, and all the variables

x-85=0

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

x=85

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