X-2-7x=-20

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Solution for X-2-7x=-20 equation: 



X-2-7X=-20

We move all terms to the left:

X-2-7X-(-20)=0

We add all the numbers together, and all the variables

-6X+18=0

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

-6X=-18

X=-18/-6

X=+3

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