-15+2x+x-7=90

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Solution for -15+2x+x-7=90 equation: 



-15+2x+x-7=90

We move all terms to the left:

-15+2x+x-7-(90)=0

We add all the numbers together, and all the variables

3x-112=0

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

3x=112

x=112/3

x=37+1/3

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