-9x+7=-80

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Solution for -9x+7=-80 equation: 



-9x+7=-80

We move all terms to the left:

-9x+7-(-80)=0

We add all the numbers together, and all the variables

-9x+87=0

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

-9x=-87

x=-87/-9

x=9+2/3

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