(x-10)+(x+30)+40+x=180

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Solution for (x-10)+(x+30)+40+x=180 equation:



(x-10)+(x+30)+40+x=180
We move all terms to the left:
(x-10)+(x+30)+40+x-(180)=0
We add all the numbers together, and all the variables
x+(x-10)+(x+30)-140=0
We get rid of parentheses
x+x+x-10+30-140=0
We add all the numbers together, and all the variables
3x-120=0
We move all terms containing x to the left, all other terms to the right
3x=120
x=120/3
x=40

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