-1.2=0.8y-y

Solution for -1.2=0.8y-y equation:

Simplifying
-1.2 = 0.8y + -1y

Combine like terms: 0.8y + -1y = -0.2y
-1.2 = -0.2y

Solving
-1.2 = -0.2y

Solving for variable 'y'.

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

Add '0.2y' to each side of the equation.
-1.2 + 0.2y = -0.2y + 0.2y

Combine like terms: -0.2y + 0.2y = 0.0
-1.2 + 0.2y = 0.0

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 0.2y = 0.0 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 0.2y = 0.0 + 1.2
0.2y = 0.0 + 1.2

Combine like terms: 0.0 + 1.2 = 1.2
0.2y = 1.2

Divide each side by '0.2'.
y = 6

Simplifying
y = 6