d+12=-2d+3

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Solution for d+12=-2d+3 equation:


Simplifying
d + 12 = -2d + 3

Reorder the terms:
12 + d = -2d + 3

Reorder the terms:
12 + d = 3 + -2d

Solving
12 + d = 3 + -2d

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
12 + d + 2d = 3 + -2d + 2d

Combine like terms: d + 2d = 3d
12 + 3d = 3 + -2d + 2d

Combine like terms: -2d + 2d = 0
12 + 3d = 3 + 0
12 + 3d = 3

Add '-12' to each side of the equation.
12 + -12 + 3d = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 3d = 3 + -12
3d = 3 + -12

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

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

Simplifying
d = -3

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