d-15=3d-3

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Solution for d-15=3d-3 equation:


Simplifying
d + -15 = 3d + -3

Reorder the terms:
-15 + d = 3d + -3

Reorder the terms:
-15 + d = -3 + 3d

Solving
-15 + 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.
-15 + d + -3d = -3 + 3d + -3d

Combine like terms: d + -3d = -2d
-15 + -2d = -3 + 3d + -3d

Combine like terms: 3d + -3d = 0
-15 + -2d = -3 + 0
-15 + -2d = -3

Add '15' to each side of the equation.
-15 + 15 + -2d = -3 + 15

Combine like terms: -15 + 15 = 0
0 + -2d = -3 + 15
-2d = -3 + 15

Combine like terms: -3 + 15 = 12
-2d = 12

Divide each side by '-2'.
d = -6

Simplifying
d = -6

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