3.2=0.8y

Solution for 3.2=0.8y equation:

Simplifying
3.2 = 0.8y

Solving
3.2 = 0.8y

Solving for variable 'y'.

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

Add '-0.8y' to each side of the equation.
3.2 + -0.8y = 0.8y + -0.8y

Combine like terms: 0.8y + -0.8y = 0.0
3.2 + -0.8y = 0.0

Add '-3.2' to each side of the equation.
3.2 + -3.2 + -0.8y = 0.0 + -3.2

Combine like terms: 3.2 + -3.2 = 0.0
0.0 + -0.8y = 0.0 + -3.2
-0.8y = 0.0 + -3.2

Combine like terms: 0.0 + -3.2 = -3.2
-0.8y = -3.2

Divide each side by '-0.8'.
y = 4

Simplifying
y = 4