7+12d-3=64-d+3d

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Solution for 7+12d-3=64-d+3d equation:


Simplifying
7 + 12d + -3 = 64 + -1d + 3d

Reorder the terms:
7 + -3 + 12d = 64 + -1d + 3d

Combine like terms: 7 + -3 = 4
4 + 12d = 64 + -1d + 3d

Combine like terms: -1d + 3d = 2d
4 + 12d = 64 + 2d

Solving
4 + 12d = 64 + 2d

Solving for variable 'd'.

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

Add '-2d' to each side of the equation.
4 + 12d + -2d = 64 + 2d + -2d

Combine like terms: 12d + -2d = 10d
4 + 10d = 64 + 2d + -2d

Combine like terms: 2d + -2d = 0
4 + 10d = 64 + 0
4 + 10d = 64

Add '-4' to each side of the equation.
4 + -4 + 10d = 64 + -4

Combine like terms: 4 + -4 = 0
0 + 10d = 64 + -4
10d = 64 + -4

Combine like terms: 64 + -4 = 60
10d = 60

Divide each side by '10'.
d = 6

Simplifying
d = 6

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