3x+1-7x=-7

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Solution for 3x+1-7x=-7 equation: 



3x+1-7x=-7

We move all terms to the left:

3x+1-7x-(-7)=0

We add all the numbers together, and all the variables

-4x+8=0

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

-4x=-8

x=-8/-4

x=+2

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