-2d+7=-9

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Solution for -2d+7=-9 equation: 



-2d+7=-9

We move all terms to the left:

-2d+7-(-9)=0

We add all the numbers together, and all the variables

-2d+16=0

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

-2d=-16

d=-16/-2

d=+8

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