2d-9=-7

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Solution for 2d-9=-7 equation: 



2d-9=-7

We move all terms to the left:

2d-9-(-7)=0

We add all the numbers together, and all the variables

2d-2=0

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

2d=2

d=2/2

d=1

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