x+15+2x-20=140

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Solution for x+15+2x-20=140 equation: 



x+15+2x-20=140

We move all terms to the left:

x+15+2x-20-(140)=0

We add all the numbers together, and all the variables

3x-145=0

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

3x=145

x=145/3

x=48+1/3

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