12=-10-12d+20d

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Solution for 12=-10-12d+20d equation:


Simplifying
12 = -10 + -12d + 20d

Combine like terms: -12d + 20d = 8d
12 = -10 + 8d

Solving
12 = -10 + 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 + -8d = -10 + 8d + -8d

Combine like terms: 8d + -8d = 0
12 + -8d = -10 + 0
12 + -8d = -10

Add '-12' to each side of the equation.
12 + -12 + -8d = -10 + -12

Combine like terms: 12 + -12 = 0
0 + -8d = -10 + -12
-8d = -10 + -12

Combine like terms: -10 + -12 = -22
-8d = -22

Divide each side by '-8'.
d = 2.75

Simplifying
d = 2.75

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