9=6d-3(4d+5)

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Solution for 9=6d-3(4d+5) equation:


Simplifying
9 = 6d + -3(4d + 5)

Reorder the terms:
9 = 6d + -3(5 + 4d)
9 = 6d + (5 * -3 + 4d * -3)
9 = 6d + (-15 + -12d)

Reorder the terms:
9 = -15 + 6d + -12d

Combine like terms: 6d + -12d = -6d
9 = -15 + -6d

Solving
9 = -15 + -6d

Solving for variable 'd'.

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

Add '6d' to each side of the equation.
9 + 6d = -15 + -6d + 6d

Combine like terms: -6d + 6d = 0
9 + 6d = -15 + 0
9 + 6d = -15

Add '-9' to each side of the equation.
9 + -9 + 6d = -15 + -9

Combine like terms: 9 + -9 = 0
0 + 6d = -15 + -9
6d = -15 + -9

Combine like terms: -15 + -9 = -24
6d = -24

Divide each side by '6'.
d = -4

Simplifying
d = -4

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