10d-5(6d+9)=20+15-16d

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Solution for 10d-5(6d+9)=20+15-16d equation:



10d-5(6d+9)=20+15-16d
We move all terms to the left:
10d-5(6d+9)-(20+15-16d)=0
We add all the numbers together, and all the variables
10d-5(6d+9)-(-16d+35)=0
We multiply parentheses
10d-30d-(-16d+35)-45=0
We get rid of parentheses
10d-30d+16d-35-45=0
We add all the numbers together, and all the variables
-4d-80=0
We move all terms containing d to the left, all other terms to the right
-4d=80
d=80/-4
d=-20

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