10d+7=8(2d-4)-9

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Solution for 10d+7=8(2d-4)-9 equation:



10d+7=8(2d-4)-9
We move all terms to the left:
10d+7-(8(2d-4)-9)=0
We calculate terms in parentheses: -(8(2d-4)-9), so:
8(2d-4)-9
We multiply parentheses
16d-32-9
We add all the numbers together, and all the variables
16d-41
Back to the equation:
-(16d-41)
We get rid of parentheses
10d-16d+41+7=0
We add all the numbers together, and all the variables
-6d+48=0
We move all terms containing d to the left, all other terms to the right
-6d=-48
d=-48/-6
d=+8

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