70x-1+20+21=180

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Solution for 70x-1+20+21=180 equation: 



70x-1+20+21=180

We move all terms to the left:

70x-1+20+21-(180)=0

We add all the numbers together, and all the variables

70x-140=0

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

70x=140

x=140/70

x=2

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