5d+4-d-8=-20

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Solution for 5d+4-d-8=-20 equation:


Simplifying
5d + 4 + -1d + -8 = -20

Reorder the terms:
4 + -8 + 5d + -1d = -20

Combine like terms: 4 + -8 = -4
-4 + 5d + -1d = -20

Combine like terms: 5d + -1d = 4d
-4 + 4d = -20

Solving
-4 + 4d = -20

Solving for variable 'd'.

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

Add '4' to each side of the equation.
-4 + 4 + 4d = -20 + 4

Combine like terms: -4 + 4 = 0
0 + 4d = -20 + 4
4d = -20 + 4

Combine like terms: -20 + 4 = -16
4d = -16

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

Simplifying
d = -4

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