-3(d+1)=-2(3d-9)

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Solution for -3(d+1)=-2(3d-9) equation:


Simplifying
-3(d + 1) = -2(3d + -9)

Reorder the terms:
-3(1 + d) = -2(3d + -9)
(1 * -3 + d * -3) = -2(3d + -9)
(-3 + -3d) = -2(3d + -9)

Reorder the terms:
-3 + -3d = -2(-9 + 3d)
-3 + -3d = (-9 * -2 + 3d * -2)
-3 + -3d = (18 + -6d)

Solving
-3 + -3d = 18 + -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.
-3 + -3d + 6d = 18 + -6d + 6d

Combine like terms: -3d + 6d = 3d
-3 + 3d = 18 + -6d + 6d

Combine like terms: -6d + 6d = 0
-3 + 3d = 18 + 0
-3 + 3d = 18

Add '3' to each side of the equation.
-3 + 3 + 3d = 18 + 3

Combine like terms: -3 + 3 = 0
0 + 3d = 18 + 3
3d = 18 + 3

Combine like terms: 18 + 3 = 21
3d = 21

Divide each side by '3'.
d = 7

Simplifying
d = 7

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