72=3(y-56)

Solution for 72=3(y-56) equation:

Simplifying
72 = 3(y + -56)

Reorder the terms:
72 = 3(-56 + y)
72 = (-56 * 3 + y * 3)
72 = (-168 + 3y)

Solving
72 = -168 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
72 + -3y = -168 + 3y + -3y

Combine like terms: 3y + -3y = 0
72 + -3y = -168 + 0
72 + -3y = -168

Add '-72' to each side of the equation.
72 + -72 + -3y = -168 + -72

Combine like terms: 72 + -72 = 0
0 + -3y = -168 + -72
-3y = -168 + -72

Combine like terms: -168 + -72 = -240
-3y = -240

Divide each side by '-3'.
y = 80

Simplifying
y = 80