2d+7=4

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Solution for 2d+7=4 equation: 



2d+7=4

We move all terms to the left:

2d+7-(4)=0

We add all the numbers together, and all the variables

2d+3=0

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

2d=-3

d=-3/2

d=-1+1/2

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