2x+(-4)=-20

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Solution for 2x+(-4)=-20 equation: 



2x+(-4)=-20

We move all terms to the left:

2x+(-4)-(-20)=0

We add all the numbers together, and all the variables

2x+16=0

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

2x=-16

x=-16/2

x=-8

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