d+13=3d-3

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Solution for d+13=3d-3 equation:


Simplifying
d + 13 = 3d + -3

Reorder the terms:
13 + d = 3d + -3

Reorder the terms:
13 + d = -3 + 3d

Solving
13 + d = -3 + 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.
13 + d + -3d = -3 + 3d + -3d

Combine like terms: d + -3d = -2d
13 + -2d = -3 + 3d + -3d

Combine like terms: 3d + -3d = 0
13 + -2d = -3 + 0
13 + -2d = -3

Add '-13' to each side of the equation.
13 + -13 + -2d = -3 + -13

Combine like terms: 13 + -13 = 0
0 + -2d = -3 + -13
-2d = -3 + -13

Combine like terms: -3 + -13 = -16
-2d = -16

Divide each side by '-2'.
d = 8

Simplifying
d = 8

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