-3*-1.5-3=y

Solution for -3*-1.5-3=y equation:

Simplifying
-3 * -1.5 + -3 = y

Multiply -3 * -1.5
4.5 + -3 = y

Combine like terms: 4.5 + -3 = 1.5
1.5 = y

Solving
1.5 = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
1.5 + -1y = y + -1y

Combine like terms: y + -1y = 0
1.5 + -1y = 0

Add '-1.5' to each side of the equation.
1.5 + -1.5 + -1y = 0 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + -1y = 0 + -1.5
-1y = 0 + -1.5

Combine like terms: 0 + -1.5 = -1.5
-1y = -1.5

Divide each side by '-1'.
y = 1.5

Simplifying
y = 1.5