-12=-4(d+3)

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Solution for -12=-4(d+3) equation:



-12=-4(d+3)
We move all terms to the left:
-12-(-4(d+3))=0
We calculate terms in parentheses: -(-4(d+3)), so:
-4(d+3)
We multiply parentheses
-4d-12
Back to the equation:
-(-4d-12)
We get rid of parentheses
4d+12-12=0
We add all the numbers together, and all the variables
4d=0
d=0/4
d=0

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