-3(4d+1)-9d=6(2-d)

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Solution for -3(4d+1)-9d=6(2-d) equation:



-3(4d+1)-9d=6(2-d)
We move all terms to the left:
-3(4d+1)-9d-(6(2-d))=0
We add all the numbers together, and all the variables
-3(4d+1)-9d-(6(-1d+2))=0
We add all the numbers together, and all the variables
-9d-3(4d+1)-(6(-1d+2))=0
We multiply parentheses
-9d-12d-(6(-1d+2))-3=0
We calculate terms in parentheses: -(6(-1d+2)), so:
6(-1d+2)
We multiply parentheses
-6d+12
Back to the equation:
-(-6d+12)
We add all the numbers together, and all the variables
-21d-(-6d+12)-3=0
We get rid of parentheses
-21d+6d-12-3=0
We add all the numbers together, and all the variables
-15d-15=0
We move all terms containing d to the left, all other terms to the right
-15d=15
d=15/-15
d=-1

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