x-20+x-40=180

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Solution for x-20+x-40=180 equation:



x-20+x-40=180
We move all terms to the left:
x-20+x-40-(180)=0
We add all the numbers together, and all the variables
2x-240=0
We move all terms containing x to the left, all other terms to the right
2x=240
x=240/2
x=120

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