72+7d=15d

Solution for 72+7d=15d equation:

Simplifying
72 + 7d = 15d

Solving
72 + 7d = 15d

Solving for variable 'd'.

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

Add '-15d' to each side of the equation.
72 + 7d + -15d = 15d + -15d

Combine like terms: 7d + -15d = -8d
72 + -8d = 15d + -15d

Combine like terms: 15d + -15d = 0
72 + -8d = 0

Add '-72' to each side of the equation.
72 + -72 + -8d = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -8d = 0 + -72
-8d = 0 + -72

Combine like terms: 0 + -72 = -72
-8d = -72

Divide each side by '-8'.
d = 9

Simplifying
d = 9