72=3y+5y

Solution for 72=3y+5y equation:

Simplifying
72 = 3y + 5y

Combine like terms: 3y + 5y = 8y
72 = 8y

Solving
72 = 8y

Solving for variable 'y'.

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

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

Combine like terms: 8y + -8y = 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