-28=9d-4d-8

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Solution for -28=9d-4d-8 equation:


Simplifying
-28 = 9d + -4d + -8

Reorder the terms:
-28 = -8 + 9d + -4d

Combine like terms: 9d + -4d = 5d
-28 = -8 + 5d

Solving
-28 = -8 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-28 + -5d = -8 + 5d + -5d

Combine like terms: 5d + -5d = 0
-28 + -5d = -8 + 0
-28 + -5d = -8

Add '28' to each side of the equation.
-28 + 28 + -5d = -8 + 28

Combine like terms: -28 + 28 = 0
0 + -5d = -8 + 28
-5d = -8 + 28

Combine like terms: -8 + 28 = 20
-5d = 20

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

Simplifying
d = -4

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