(2x-30)+(x+20)=140

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Solution for (2x-30)+(x+20)=140 equation: 



(2x-30)+(x+20)=140

We move all terms to the left:

(2x-30)+(x+20)-(140)=0

We get rid of parentheses

2x+x-30+20-140=0

We add all the numbers together, and all the variables

3x-150=0

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

3x=150

x=150/3

x=50

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