-2d+-9=6a+15

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Solution for -2d+-9=6a+15 equation:


Simplifying
-2d + -9 = 6a + 15

Reorder the terms:
-9 + -2d = 6a + 15

Reorder the terms:
-9 + -2d = 15 + 6a

Solving
-9 + -2d = 15 + 6a

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 + -2d = 15 + 9 + 6a

Combine like terms: -9 + 9 = 0
0 + -2d = 15 + 9 + 6a
-2d = 15 + 9 + 6a

Combine like terms: 15 + 9 = 24
-2d = 24 + 6a

Divide each side by '-2'.
d = -12 + -3a

Simplifying
d = -12 + -3a

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