18y^2=9y

Solution for 18y^2=9y equation:

Simplifying
18y2 = 9y

Solving
18y2 = 9y

Solving for variable 'y'.

Reorder the terms:
-9y + 18y2 = 9y + -9y

Combine like terms: 9y + -9y = 0
-9y + 18y2 = 0

Factor out the Greatest Common Factor (GCF), '9y'.
9y(-1 + 2y) = 0

Ignore the factor 9.
Subproblem 1
Set the factor 'y' equal to zero and attempt to solve:

Simplifying
y = 0

Solving
y = 0

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

Simplifying
y = 0
Subproblem 2
Set the factor '(-1 + 2y)' equal to zero and attempt to solve:

Simplifying
-1 + 2y = 0

Solving
-1 + 2y = 0

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

Add '1' to each side of the equation.
-1 + 1 + 2y = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2y = 0 + 1
2y = 0 + 1

Combine like terms: 0 + 1 = 1
2y = 1

Divide each side by '2'.
y = 0.5

Simplifying
y = 0.5
Solution
y = {0, 0.5}