.80x-7=-1

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Solution for .80x-7=-1 equation: 



.80x-7=-1

We move all terms to the left:

.80x-7-(-1)=0

We add all the numbers together, and all the variables

.80x-6=0

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

.80x=6

x=6/.80

x=7+0.4/.80

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