15d+(-17d)-(-6d)=-12

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Solution for 15d+(-17d)-(-6d)=-12 equation:



15d+(-17d)-(-6d)=-12
We move all terms to the left:
15d+(-17d)-(-6d)-(-12)=0
We add all the numbers together, and all the variables
15d+(-17d)-(-6d)+12=0
We get rid of parentheses
15d-17d+6d+12=0
We add all the numbers together, and all the variables
4d+12=0
We move all terms containing d to the left, all other terms to the right
4d=-12
d=-12/4
d=-3

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