-9d+15+8d=-6+2d

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Solution for -9d+15+8d=-6+2d equation:



-9d+15+8d=-6+2d
We move all terms to the left:
-9d+15+8d-(-6+2d)=0
We add all the numbers together, and all the variables
-9d+8d-(2d-6)+15=0
We add all the numbers together, and all the variables
-1d-(2d-6)+15=0
We get rid of parentheses
-1d-2d+6+15=0
We add all the numbers together, and all the variables
-3d+21=0
We move all terms containing d to the left, all other terms to the right
-3d=-21
d=-21/-3
d=+7

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