7(8-3d)=5(10-4d)

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Solution for 7(8-3d)=5(10-4d) equation:



7(8-3d)=5(10-4d)
We move all terms to the left:
7(8-3d)-(5(10-4d))=0
We add all the numbers together, and all the variables
7(-3d+8)-(5(-4d+10))=0
We multiply parentheses
-21d-(5(-4d+10))+56=0
We calculate terms in parentheses: -(5(-4d+10)), so:
5(-4d+10)
We multiply parentheses
-20d+50
Back to the equation:
-(-20d+50)
We get rid of parentheses
-21d+20d-50+56=0
We add all the numbers together, and all the variables
-1d+6=0
We move all terms containing d to the left, all other terms to the right
-d=-6
d=-6/-1
d=+6

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