15+12d+9=17

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Solution for 15+12d+9=17 equation:



15+12d+9=17
We move all terms to the left:
15+12d+9-(17)=0
We add all the numbers together, and all the variables
12d+7=0
We move all terms containing d to the left, all other terms to the right
12d=-7
d=-7/12
d=-7/12

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