.8x+7=-9

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Solution for .8x+7=-9 equation: 



.8x+7=-9

We move all terms to the left:

.8x+7-(-9)=0

We add all the numbers together, and all the variables

.8x+16=0

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

.8x=-16

x=-16/.8

x=-20

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