0.6(y+42)-15=-3

Solution for 0.6(y+42)-15=-3 equation:

Simplifying
0.6(y + 42) + -15 = -3

Reorder the terms:
0.6(42 + y) + -15 = -3
(42 * 0.6 + y * 0.6) + -15 = -3
(25.2 + 0.6y) + -15 = -3

Reorder the terms:
25.2 + -15 + 0.6y = -3

Combine like terms: 25.2 + -15 = 10.2
10.2 + 0.6y = -3

Solving
10.2 + 0.6y = -3

Solving for variable 'y'.

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

Add '-10.2' to each side of the equation.
10.2 + -10.2 + 0.6y = -3 + -10.2

Combine like terms: 10.2 + -10.2 = 0.0
0.0 + 0.6y = -3 + -10.2
0.6y = -3 + -10.2

Combine like terms: -3 + -10.2 = -13.2
0.6y = -13.2

Divide each side by '0.6'.
y = -22

Simplifying
y = -22