2x-40+x=90

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Solution for 2x-40+x=90 equation: 



2x-40+x=90

We move all terms to the left:

2x-40+x-(90)=0

We add all the numbers together, and all the variables

3x-130=0

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

3x=130

x=130/3

x=43+1/3

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