Solve for d
d=-1
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7-4d+12=23
Use the distributive property to multiply -4 by d-3.
19-4d=23
Add 7 and 12 to get 19.
-4d=23-19
Subtract 19 from both sides.
-4d=4
Subtract 19 from 23 to get 4.
d=\frac{4}{-4}
Divide both sides by -4.
d=-1
Divide 4 by -4 to get -1.
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