9d-30=15

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Solution for 9d-30=15 equation: 


Simplifying
9d + -30 = 15

Reorder the terms:
-30 + 9d = 15

Solving
-30 + 9d = 15

Solving for variable 'd'.

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

Add '30' to each side of the equation.
-30 + 30 + 9d = 15 + 30

Combine like terms: -30 + 30 = 0
0 + 9d = 15 + 30
9d = 15 + 30

Combine like terms: 15 + 30 = 45
9d = 45

Divide each side by '9'.
d = 5

Simplifying
d = 5

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