0.5+2=0.8y-0.3y

Solution for 0.5+2=0.8y-0.3y equation:

Simplifying
0.5 + 2 = 0.8y + -0.3y

Combine like terms: 0.5 + 2 = 2.5
2.5 = 0.8y + -0.3y

Combine like terms: 0.8y + -0.3y = 0.5y
2.5 = 0.5y

Solving
2.5 = 0.5y

Solving for variable 'y'.

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

Add '-0.5y' to each side of the equation.
2.5 + -0.5y = 0.5y + -0.5y

Combine like terms: 0.5y + -0.5y = 0.0
2.5 + -0.5y = 0.0

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -0.5y = 0.0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -0.5y = 0.0 + -2.5
-0.5y = 0.0 + -2.5

Combine like terms: 0.0 + -2.5 = -2.5
-0.5y = -2.5

Divide each side by '-0.5'.
y = 5

Simplifying
y = 5