-1.23=3(1.5y-0.5)

Solution for -1.23=3(1.5y-0.5) equation:

Simplifying
-1.23 = 3(1.5y + -0.5)

Reorder the terms:
-1.23 = 3(-0.5 + 1.5y)
-1.23 = (-0.5 * 3 + 1.5y * 3)
-1.23 = (-1.5 + 4.5y)

Solving
-1.23 = -1.5 + 4.5y

Solving for variable 'y'.

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

Add '-4.5y' to each side of the equation.
-1.23 + -4.5y = -1.5 + 4.5y + -4.5y

Combine like terms: 4.5y + -4.5y = 0.0
-1.23 + -4.5y = -1.5 + 0.0
-1.23 + -4.5y = -1.5

Add '1.23' to each side of the equation.
-1.23 + 1.23 + -4.5y = -1.5 + 1.23

Combine like terms: -1.23 + 1.23 = 0.00
0.00 + -4.5y = -1.5 + 1.23
-4.5y = -1.5 + 1.23

Combine like terms: -1.5 + 1.23 = -0.27
-4.5y = -0.27

Divide each side by '-4.5'.
y = 0.06

Simplifying
y = 0.06