12+2d=3d+3

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


Simplifying
12 + 2d = 3d + 3

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

Solving
12 + 2d = 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.
12 + 2d + -3d = 3 + 3d + -3d

Combine like terms: 2d + -3d = -1d
12 + -1d = 3 + 3d + -3d

Combine like terms: 3d + -3d = 0
12 + -1d = 3 + 0
12 + -1d = 3

Add '-12' to each side of the equation.
12 + -12 + -1d = 3 + -12

Combine like terms: 12 + -12 = 0
0 + -1d = 3 + -12
-1d = 3 + -12

Combine like terms: 3 + -12 = -9
-1d = -9

Divide each side by '-1'.
d = 9

Simplifying
d = 9

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