9=-3(d+1)

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


Simplifying
9 = -3(d + 1)

Reorder the terms:
9 = -3(1 + d)
9 = (1 * -3 + d * -3)
9 = (-3 + -3d)

Solving
9 = -3 + -3d

Solving for variable 'd'.

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

Add '3d' to each side of the equation.
9 + 3d = -3 + -3d + 3d

Combine like terms: -3d + 3d = 0
9 + 3d = -3 + 0
9 + 3d = -3

Add '-9' to each side of the equation.
9 + -9 + 3d = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 3d = -3 + -9
3d = -3 + -9

Combine like terms: -3 + -9 = -12
3d = -12

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

Simplifying
d = -4

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