-15x-20=-80

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Solution for -15x-20=-80 equation: 



-15x-20=-80

We move all terms to the left:

-15x-20-(-80)=0

We add all the numbers together, and all the variables

-15x+60=0

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

-15x=-60

x=-60/-15

x=+4

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