What is the solution to the equation y3+4=120

To solve this problem first subtract the 4 from 120.

120 - 4 = 3y + 4 (-4) =

116 = 3y.

Then divide both sides by three.

116 / 3 = 3y / 3 =

38.6666666667 = y

y = 38.6666666667.

To double check the answer, 38.6666666667 x 3 + 4 = 120.