20+90+7x=180

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Solution for 20+90+7x=180 equation:



20+90+7x=180
We move all terms to the left:
20+90+7x-(180)=0
We add all the numbers together, and all the variables
7x-70=0
We move all terms containing x to the left, all other terms to the right
7x=70
x=70/7
x=10

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