Cross multiply:
5 * 9 = 8 * y
Simplifying
5 * 9 = 8 * y
Multiply 5 * 9
45 = 8 * y
Solving
45 = 8y
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-8y' to each side of the equation.
45 + -8y = 8y + -8y
Combine like terms: 8y + -8y = 0
45 + -8y = 0
Add '-45' to each side of the equation.
45 + -45 + -8y = 0 + -45
Combine like terms: 45 + -45 = 0
0 + -8y = 0 + -45
-8y = 0 + -45
Combine like terms: 0 + -45 = -45
-8y = -45
Divide each side by '-8'.
y = 5.625
Simplifying
y = 5.625
