12-d=-45-4d

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Solution for 12-d=-45-4d equation:


Simplifying
12 + -1d = -45 + -4d

Solving
12 + -1d = -45 + -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.
12 + -1d + 4d = -45 + -4d + 4d

Combine like terms: -1d + 4d = 3d
12 + 3d = -45 + -4d + 4d

Combine like terms: -4d + 4d = 0
12 + 3d = -45 + 0
12 + 3d = -45

Add '-12' to each side of the equation.
12 + -12 + 3d = -45 + -12

Combine like terms: 12 + -12 = 0
0 + 3d = -45 + -12
3d = -45 + -12

Combine like terms: -45 + -12 = -57
3d = -57

Divide each side by '3'.
d = -19

Simplifying
d = -19

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