15=1.5y+3

Solution for 15=1.5y+3 equation:

Simplifying
15 = 1.5y + 3

Reorder the terms:
15 = 3 + 1.5y

Solving
15 = 3 + 1.5y

Solving for variable 'y'.

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

Add '-1.5y' to each side of the equation.
15 + -1.5y = 3 + 1.5y + -1.5y

Combine like terms: 1.5y + -1.5y = 0.0
15 + -1.5y = 3 + 0.0
15 + -1.5y = 3

Add '-15' to each side of the equation.
15 + -15 + -1.5y = 3 + -15

Combine like terms: 15 + -15 = 0
0 + -1.5y = 3 + -15
-1.5y = 3 + -15

Combine like terms: 3 + -15 = -12
-1.5y = -12

Divide each side by '-1.5'.
y = 8

Simplifying
y = 8