7y+72=15y

Solution for 7y+72=15y equation:

Simplifying
7y + 72 = 15y

Reorder the terms:
72 + 7y = 15y

Solving
72 + 7y = 15y

Solving for variable 'y'.

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

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

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

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

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

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

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

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

Simplifying
y = 9