(X+3)+(2x-18)+90=180

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Solution for (X+3)+(2x-18)+90=180 equation:



(X+3)+(2X-18)+90=180
We move all terms to the left:
(X+3)+(2X-18)+90-(180)=0
We add all the numbers together, and all the variables
(X+3)+(2X-18)-90=0
We get rid of parentheses
X+2X+3-18-90=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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