9y-20=5y

Solution for 9y-20=5y equation:

Simplifying
9y + -20 = 5y

Reorder the terms:
-20 + 9y = 5y

Solving
-20 + 9y = 5y

Solving for variable 'y'.

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

Add '-5y' to each side of the equation.
-20 + 9y + -5y = 5y + -5y

Combine like terms: 9y + -5y = 4y
-20 + 4y = 5y + -5y

Combine like terms: 5y + -5y = 0
-20 + 4y = 0

Add '20' to each side of the equation.
-20 + 20 + 4y = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 4y = 0 + 20
4y = 0 + 20

Combine like terms: 0 + 20 = 20
4y = 20

Divide each side by '4'.
y = 5

Simplifying
y = 5