-8d+18-9+15d=

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Solution for -8d+18-9+15d= equation:


Simplifying
-8d + 18 + -9 + 15d = 0

Reorder the terms:
18 + -9 + -8d + 15d = 0

Combine like terms: 18 + -9 = 9
9 + -8d + 15d = 0

Combine like terms: -8d + 15d = 7d
9 + 7d = 0

Solving
9 + 7d = 0

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 + 7d = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 7d = 0 + -9
7d = 0 + -9

Combine like terms: 0 + -9 = -9
7d = -9

Divide each side by '7'.
d = -1.285714286

Simplifying
d = -1.285714286

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