x-2=90-20

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Solution for x-2=90-20 equation: 



x-2=90-20

We move all terms to the left:

x-2-(90-20)=0

We add all the numbers together, and all the variables

x-2-70=0

We add all the numbers together, and all the variables

x-72=0

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

x=72

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