3=y+.5y

Solution for 3=y+.5y equation:

Simplifying
3 = y + 0.5y

Combine like terms: y + 0.5y = 1.5y
3 = 1.5y

Solving
3 = 1.5y

Solving for variable 'y'.

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

Add '-1.5y' to each side of the equation.
3 + -1.5y = 1.5y + -1.5y

Combine like terms: 1.5y + -1.5y = 0.0
3 + -1.5y = 0.0

Add '-3' to each side of the equation.
3 + -3 + -1.5y = 0.0 + -3

Combine like terms: 3 + -3 = 0
0 + -1.5y = 0.0 + -3
-1.5y = 0.0 + -3

Combine like terms: 0.0 + -3 = -3
-1.5y = -3

Divide each side by '-1.5'.
y = 2

Simplifying
y = 2