72d-30=12d

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Solution for 72d-30=12d equation:


Simplifying
72d + -30 = 12d

Reorder the terms:
-30 + 72d = 12d

Solving
-30 + 72d = 12d

Solving for variable 'd'.

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

Add '-12d' to each side of the equation.
-30 + 72d + -12d = 12d + -12d

Combine like terms: 72d + -12d = 60d
-30 + 60d = 12d + -12d

Combine like terms: 12d + -12d = 0
-30 + 60d = 0

Add '30' to each side of the equation.
-30 + 30 + 60d = 0 + 30

Combine like terms: -30 + 30 = 0
0 + 60d = 0 + 30
60d = 0 + 30

Combine like terms: 0 + 30 = 30
60d = 30

Divide each side by '60'.
d = 0.5

Simplifying
d = 0.5

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