3(-.6+.8y)-4y=-1

Solution for 3(-.6+.8y)-4y=-1 equation:

Simplifying
3(-0.6 + 0.8y) + -4y = -1
(-0.6 * 3 + 0.8y * 3) + -4y = -1
(-1.8 + 2.4y) + -4y = -1

Combine like terms: 2.4y + -4y = -1.6y
-1.8 + -1.6y = -1

Solving
-1.8 + -1.6y = -1

Solving for variable 'y'.

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

Add '1.8' to each side of the equation.
-1.8 + 1.8 + -1.6y = -1 + 1.8

Combine like terms: -1.8 + 1.8 = 0.0
0.0 + -1.6y = -1 + 1.8
-1.6y = -1 + 1.8

Combine like terms: -1 + 1.8 = 0.8
-1.6y = 0.8

Divide each side by '-1.6'.
y = -0.5

Simplifying
y = -0.5