5d+15=7d

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Solution for 5d+15=7d equation: 



5d+15=7d

We move all terms to the left:

5d+15-(7d)=0

We add all the numbers together, and all the variables

-2d+15=0

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

-2d=-15

d=-15/-2

d=7+1/2

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