-2(d-3)=9

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Solution for -2(d-3)=9 equation:


Simplifying
-2(d + -3) = 9

Reorder the terms:
-2(-3 + d) = 9
(-3 * -2 + d * -2) = 9
(6 + -2d) = 9

Solving
6 + -2d = 9

Solving for variable 'd'.

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

Add '-6' to each side of the equation.
6 + -6 + -2d = 9 + -6

Combine like terms: 6 + -6 = 0
0 + -2d = 9 + -6
-2d = 9 + -6

Combine like terms: 9 + -6 = 3
-2d = 3

Divide each side by '-2'.
d = -1.5

Simplifying
d = -1.5

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