(x-15)+(2x-165)=90

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Solution for (x-15)+(2x-165)=90 equation: 



(x-15)+(2x-165)=90

We move all terms to the left:

(x-15)+(2x-165)-(90)=0

We get rid of parentheses

x+2x-15-165-90=0

We add all the numbers together, and all the variables

3x-270=0

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

3x=270

x=270/3

x=90

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