-7x-4=-3x-20

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Solution for -7x-4=-3x-20 equation: 



-7x-4=-3x-20

We move all terms to the left:

-7x-4-(-3x-20)=0

We get rid of parentheses

-7x+3x+20-4=0

We add all the numbers together, and all the variables

-4x+16=0

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

-4x=-16

x=-16/-4

x=+4

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