100-x+x+2x=180

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Solution for 100-x+x+2x=180 equation:



100-x+x+2x=180
We move all terms to the left:
100-x+x+2x-(180)=0
We add all the numbers together, and all the variables
2x-80=0
We move all terms containing x to the left, all other terms to the right
2x=80
x=80/2
x=40

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