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

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



(x-15)+(2x)=90
We move all terms to the left:
(x-15)+(2x)-(90)=0
We add all the numbers together, and all the variables
2x+(x-15)-90=0
We get rid of parentheses
2x+x-15-90=0
We add all the numbers together, and all the variables
3x-105=0
We move all terms containing x to the left, all other terms to the right
3x=105
x=105/3
x=35

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