45+X=2(15+x)

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Solution for 45+X=2(15+x) equation: 



45+X=2(15+X)

We move all terms to the left:

45+X-(2(15+X))=0

We add all the numbers together, and all the variables

X-(2(X+15))+45=0



We calculate terms in parentheses: -(2(X+15)), so:

2(X+15)

We multiply parentheses

2X+30

Back to the equation:

-(2X+30)



We get rid of parentheses

X-2X-30+45=0

We add all the numbers together, and all the variables

-1X+15=0

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

-X=-15

X=-15/-1

X=+15

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