4d+12=8d-20

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Solution for 4d+12=8d-20 equation:


Simplifying
4d + 12 = 8d + -20

Reorder the terms:
12 + 4d = 8d + -20

Reorder the terms:
12 + 4d = -20 + 8d

Solving
12 + 4d = -20 + 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.
12 + 4d + -8d = -20 + 8d + -8d

Combine like terms: 4d + -8d = -4d
12 + -4d = -20 + 8d + -8d

Combine like terms: 8d + -8d = 0
12 + -4d = -20 + 0
12 + -4d = -20

Add '-12' to each side of the equation.
12 + -12 + -4d = -20 + -12

Combine like terms: 12 + -12 = 0
0 + -4d = -20 + -12
-4d = -20 + -12

Combine like terms: -20 + -12 = -32
-4d = -32

Divide each side by '-4'.
d = 8

Simplifying
d = 8

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