3d-8=7+8d

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Solution for 3d-8=7+8d equation:


Simplifying
3d + -8 = 7 + 8d

Reorder the terms:
-8 + 3d = 7 + 8d

Solving
-8 + 3d = 7 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
-8 + 3d + -8d = 7 + 8d + -8d

Combine like terms: 3d + -8d = -5d
-8 + -5d = 7 + 8d + -8d

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

Add '8' to each side of the equation.
-8 + 8 + -5d = 7 + 8

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

Combine like terms: 7 + 8 = 15
-5d = 15

Divide each side by '-5'.
d = -3

Simplifying
d = -3

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