(3x+15)+(x-20)+x=180

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Solution for (3x+15)+(x-20)+x=180 equation: 



(3x+15)+(x-20)+x=180

We move all terms to the left:

(3x+15)+(x-20)+x-(180)=0

We add all the numbers together, and all the variables

x+(3x+15)+(x-20)-180=0

We get rid of parentheses

x+3x+x+15-20-180=0

We add all the numbers together, and all the variables

5x-185=0

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

5x=185

x=185/5

x=37

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