X+140=3(x+20)

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Solution for X+140=3(x+20) equation: 



X+140=3(X+20)

We move all terms to the left:

X+140-(3(X+20))=0



We calculate terms in parentheses: -(3(X+20)), so:

3(X+20)

We multiply parentheses

3X+60

Back to the equation:

-(3X+60)



We get rid of parentheses

X-3X-60+140=0

We add all the numbers together, and all the variables

-2X+80=0

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

-2X=-80

X=-80/-2

X=+40

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