-7x-x=20

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Solution for -7x-x=20 equation: 



-7x-x=20

We move all terms to the left:

-7x-x-(20)=0

We add all the numbers together, and all the variables

-8x-20=0

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

-8x=20

x=20/-8

x=-2+1/2

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