7+3d=13

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Solution for 7+3d=13 equation:



7+3d=13
We move all terms to the left:
7+3d-(13)=0
We add all the numbers together, and all the variables
3d-6=0
We move all terms containing d to the left, all other terms to the right
3d=6
d=6/3
d=2

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