-20=4(d-2)

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Solution for -20=4(d-2) equation:


Simplifying
-20 = 4(d + -2)

Reorder the terms:
-20 = 4(-2 + d)
-20 = (-2 * 4 + d * 4)
-20 = (-8 + 4d)

Solving
-20 = -8 + 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
-20 + -4d = -8 + 4d + -4d

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

Add '20' to each side of the equation.
-20 + 20 + -4d = -8 + 20

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

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

Divide each side by '-4'.
d = -3

Simplifying
d = -3

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