-9d-12=-4(d+6)-d

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Solution for -9d-12=-4(d+6)-d equation:


Simplifying
-9d + -12 = -4(d + 6) + -1d

Reorder the terms:
-12 + -9d = -4(d + 6) + -1d

Reorder the terms:
-12 + -9d = -4(6 + d) + -1d
-12 + -9d = (6 * -4 + d * -4) + -1d
-12 + -9d = (-24 + -4d) + -1d

Combine like terms: -4d + -1d = -5d
-12 + -9d = -24 + -5d

Solving
-12 + -9d = -24 + -5d

Solving for variable 'd'.

Move all terms containing d to the left, all other terms to the right.

Add '5d' to each side of the equation.
-12 + -9d + 5d = -24 + -5d + 5d

Combine like terms: -9d + 5d = -4d
-12 + -4d = -24 + -5d + 5d

Combine like terms: -5d + 5d = 0
-12 + -4d = -24 + 0
-12 + -4d = -24

Add '12' to each side of the equation.
-12 + 12 + -4d = -24 + 12

Combine like terms: -12 + 12 = 0
0 + -4d = -24 + 12
-4d = -24 + 12

Combine like terms: -24 + 12 = -12
-4d = -12

Divide each side by '-4'.
d = 3

Simplifying
d = 3

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