1.2=0.3y

Solution for 1.2=0.3y equation:

Simplifying
1.2 = 0.3y

Solving
1.2 = 0.3y

Solving for variable 'y'.

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

Add '-0.3y' to each side of the equation.
1.2 + -0.3y = 0.3y + -0.3y

Combine like terms: 0.3y + -0.3y = 0.0
1.2 + -0.3y = 0.0

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -0.3y = 0.0 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -0.3y = 0.0 + -1.2
-0.3y = 0.0 + -1.2

Combine like terms: 0.0 + -1.2 = -1.2
-0.3y = -1.2

Divide each side by '-0.3'.
y = 4

Simplifying
y = 4