45=2x-3(15-x)

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Solution for 45=2x-3(15-x) equation: 



45=2x-3(15-x)

We move all terms to the left:

45-(2x-3(15-x))=0

We add all the numbers together, and all the variables

-(2x-3(-1x+15))+45=0



We calculate terms in parentheses: -(2x-3(-1x+15)), so:

2x-3(-1x+15)

We multiply parentheses

2x+3x-45

We add all the numbers together, and all the variables

5x-45

Back to the equation:

-(5x-45)



We get rid of parentheses

-5x+45+45=0

We add all the numbers together, and all the variables

-5x+90=0

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

-5x=-90

x=-90/-5

x=+18

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