3.15=1.5y

Solution for 3.15=1.5y equation:

Simplifying
3.15 = 1.5y

Solving
3.15 = 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.
3.15 + -1.5y = 1.5y + -1.5y

Combine like terms: 1.5y + -1.5y = 0.0
3.15 + -1.5y = 0.0

Add '-3.15' to each side of the equation.
3.15 + -3.15 + -1.5y = 0.0 + -3.15

Combine like terms: 3.15 + -3.15 = 0.00
0.00 + -1.5y = 0.0 + -3.15
-1.5y = 0.0 + -3.15

Combine like terms: 0.0 + -3.15 = -3.15
-1.5y = -3.15

Divide each side by '-1.5'.
y = 2.1

Simplifying
y = 2.1