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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