2d+7=12-3d

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Solution for 2d+7=12-3d equation:


Simplifying
2d + 7 = 12 + -3d

Reorder the terms:
7 + 2d = 12 + -3d

Solving
7 + 2d = 12 + -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.
7 + 2d + 3d = 12 + -3d + 3d

Combine like terms: 2d + 3d = 5d
7 + 5d = 12 + -3d + 3d

Combine like terms: -3d + 3d = 0
7 + 5d = 12 + 0
7 + 5d = 12

Add '-7' to each side of the equation.
7 + -7 + 5d = 12 + -7

Combine like terms: 7 + -7 = 0
0 + 5d = 12 + -7
5d = 12 + -7

Combine like terms: 12 + -7 = 5
5d = 5

Divide each side by '5'.
d = 1

Simplifying
d = 1

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