-9d-9=3d-3

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Solution for -9d-9=3d-3 equation:


Simplifying
-9d + -9 = 3d + -3

Reorder the terms:
-9 + -9d = 3d + -3

Reorder the terms:
-9 + -9d = -3 + 3d

Solving
-9 + -9d = -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.
-9 + -9d + -3d = -3 + 3d + -3d

Combine like terms: -9d + -3d = -12d
-9 + -12d = -3 + 3d + -3d

Combine like terms: 3d + -3d = 0
-9 + -12d = -3 + 0
-9 + -12d = -3

Add '9' to each side of the equation.
-9 + 9 + -12d = -3 + 9

Combine like terms: -9 + 9 = 0
0 + -12d = -3 + 9
-12d = -3 + 9

Combine like terms: -3 + 9 = 6
-12d = 6

Divide each side by '-12'.
d = -0.5

Simplifying
d = -0.5

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