(3d+7)-d+5=d-6

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Solution for (3d+7)-d+5=d-6 equation:


Simplifying
(3d + 7) + -1d + 5 = d + -6

Reorder the terms:
(7 + 3d) + -1d + 5 = d + -6

Remove parenthesis around (7 + 3d)
7 + 3d + -1d + 5 = d + -6

Reorder the terms:
7 + 5 + 3d + -1d = d + -6

Combine like terms: 7 + 5 = 12
12 + 3d + -1d = d + -6

Combine like terms: 3d + -1d = 2d
12 + 2d = d + -6

Reorder the terms:
12 + 2d = -6 + d

Solving
12 + 2d = -6 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
12 + 2d + -1d = -6 + d + -1d

Combine like terms: 2d + -1d = 1d
12 + 1d = -6 + d + -1d

Combine like terms: d + -1d = 0
12 + 1d = -6 + 0
12 + 1d = -6

Add '-12' to each side of the equation.
12 + -12 + 1d = -6 + -12

Combine like terms: 12 + -12 = 0
0 + 1d = -6 + -12
1d = -6 + -12

Combine like terms: -6 + -12 = -18
1d = -18

Divide each side by '1'.
d = -18

Simplifying
d = -18

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