-9+3d=-18

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Solution for -9+3d=-18 equation: 


Simplifying
-9 + 3d = -18

Solving
-9 + 3d = -18

Solving for variable 'd'.

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

Add '9' to each side of the equation.
-9 + 9 + 3d = -18 + 9

Combine like terms: -9 + 9 = 0
0 + 3d = -18 + 9
3d = -18 + 9

Combine like terms: -18 + 9 = -9
3d = -9

Divide each side by '3'.
d = -3

Simplifying
d = -3

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