-9d-1=15

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Solution for -9d-1=15 equation: 


Simplifying
-9d + -1 = 15

Reorder the terms:
-1 + -9d = 15

Solving
-1 + -9d = 15

Solving for variable 'd'.

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

Add '1' to each side of the equation.
-1 + 1 + -9d = 15 + 1

Combine like terms: -1 + 1 = 0
0 + -9d = 15 + 1
-9d = 15 + 1

Combine like terms: 15 + 1 = 16
-9d = 16

Divide each side by '-9'.
d = -1.777777778

Simplifying
d = -1.777777778

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