-15=9+6d

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Solution for -15=9+6d equation:


Simplifying
-15 = 9 + 6d

Solving
-15 = 9 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
-15 + -6d = 9 + 6d + -6d

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

Add '15' to each side of the equation.
-15 + 15 + -6d = 9 + 15

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

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

Divide each side by '-6'.
d = -4

Simplifying
d = -4

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