45=(3x+90)

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Solution for 45=(3x+90) equation: 



45=(3x+90)

We move all terms to the left:

45-((3x+90))=0



We calculate terms in parentheses: -((3x+90)), so:

(3x+90)

We get rid of parentheses

3x+90

Back to the equation:

-(3x+90)



We get rid of parentheses

-3x-90+45=0

We add all the numbers together, and all the variables

-3x-45=0

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

-3x=45

x=45/-3

x=-15

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