12d+3-9d=12-69

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Solution for 12d+3-9d=12-69 equation:


Simplifying
12d + 3 + -9d = 12 + -69

Reorder the terms:
3 + 12d + -9d = 12 + -69

Combine like terms: 12d + -9d = 3d
3 + 3d = 12 + -69

Combine like terms: 12 + -69 = -57
3 + 3d = -57

Solving
3 + 3d = -57

Solving for variable 'd'.

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

Add '-3' to each side of the equation.
3 + -3 + 3d = -57 + -3

Combine like terms: 3 + -3 = 0
0 + 3d = -57 + -3
3d = -57 + -3

Combine like terms: -57 + -3 = -60
3d = -60

Divide each side by '3'.
d = -20

Simplifying
d = -20

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