-9d-9=9

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Solution for -9d-9=9 equation: 


Simplifying
-9d + -9 = 9

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

Solving
-9 + -9d = 9

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 + -9d = 9 + 9

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

Combine like terms: 9 + 9 = 18
-9d = 18

Divide each side by '-9'.
d = -2

Simplifying
d = -2

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