3(12d+19)-12d=16d-20-19

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Solution for 3(12d+19)-12d=16d-20-19 equation:


Simplifying
3(12d + 19) + -12d = 16d + -20 + -19

Reorder the terms:
3(19 + 12d) + -12d = 16d + -20 + -19
(19 * 3 + 12d * 3) + -12d = 16d + -20 + -19
(57 + 36d) + -12d = 16d + -20 + -19

Combine like terms: 36d + -12d = 24d
57 + 24d = 16d + -20 + -19

Reorder the terms:
57 + 24d = -20 + -19 + 16d

Combine like terms: -20 + -19 = -39
57 + 24d = -39 + 16d

Solving
57 + 24d = -39 + 16d

Solving for variable 'd'.

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

Add '-16d' to each side of the equation.
57 + 24d + -16d = -39 + 16d + -16d

Combine like terms: 24d + -16d = 8d
57 + 8d = -39 + 16d + -16d

Combine like terms: 16d + -16d = 0
57 + 8d = -39 + 0
57 + 8d = -39

Add '-57' to each side of the equation.
57 + -57 + 8d = -39 + -57

Combine like terms: 57 + -57 = 0
0 + 8d = -39 + -57
8d = -39 + -57

Combine like terms: -39 + -57 = -96
8d = -96

Divide each side by '8'.
d = -12

Simplifying
d = -12

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