2d+8=7d-12

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Solution for 2d+8=7d-12 equation:


Simplifying
2d + 8 = 7d + -12

Reorder the terms:
8 + 2d = 7d + -12

Reorder the terms:
8 + 2d = -12 + 7d

Solving
8 + 2d = -12 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
8 + 2d + -7d = -12 + 7d + -7d

Combine like terms: 2d + -7d = -5d
8 + -5d = -12 + 7d + -7d

Combine like terms: 7d + -7d = 0
8 + -5d = -12 + 0
8 + -5d = -12

Add '-8' to each side of the equation.
8 + -8 + -5d = -12 + -8

Combine like terms: 8 + -8 = 0
0 + -5d = -12 + -8
-5d = -12 + -8

Combine like terms: -12 + -8 = -20
-5d = -20

Divide each side by '-5'.
d = 4

Simplifying
d = 4

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