(x+7)+(x+3)+(x+20)=180

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Solution for (x+7)+(x+3)+(x+20)=180 equation:



(x+7)+(x+3)+(x+20)=180
We move all terms to the left:
(x+7)+(x+3)+(x+20)-(180)=0
We get rid of parentheses
x+x+x+7+3+20-180=0
We add all the numbers together, and all the variables
3x-150=0
We move all terms containing x to the left, all other terms to the right
3x=150
x=150/3
x=50

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