12-d=8+3d

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Solution for 12-d=8+3d equation:


Simplifying
12 + -1d = 8 + 3d

Solving
12 + -1d = 8 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
12 + -1d + -3d = 8 + 3d + -3d

Combine like terms: -1d + -3d = -4d
12 + -4d = 8 + 3d + -3d

Combine like terms: 3d + -3d = 0
12 + -4d = 8 + 0
12 + -4d = 8

Add '-12' to each side of the equation.
12 + -12 + -4d = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -4d = 8 + -12
-4d = 8 + -12

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

Divide each side by '-4'.
d = 1

Simplifying
d = 1

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