(5x-9)(4-y)=0

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Solution for (5x-9)(4-y)=0 equation:


Simplifying
(5x + -9)(4 + -1y) = 0

Reorder the terms:
(-9 + 5x)(4 + -1y) = 0

Multiply (-9 + 5x) * (4 + -1y)
(-9(4 + -1y) + 5x * (4 + -1y)) = 0
((4 * -9 + -1y * -9) + 5x * (4 + -1y)) = 0
((-36 + 9y) + 5x * (4 + -1y)) = 0
(-36 + 9y + (4 * 5x + -1y * 5x)) = 0
(-36 + 9y + (20x + -5xy)) = 0

Reorder the terms:
(-36 + 20x + -5xy + 9y) = 0
(-36 + 20x + -5xy + 9y) = 0

Solving
-36 + 20x + -5xy + 9y = 0

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 20x + -5xy + 36 + 9y = 0 + 36

Reorder the terms:
-36 + 36 + 20x + -5xy + 9y = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 20x + -5xy + 9y = 0 + 36
20x + -5xy + 9y = 0 + 36

Combine like terms: 0 + 36 = 36
20x + -5xy + 9y = 36

Add '-9y' to each side of the equation.
20x + -5xy + 9y + -9y = 36 + -9y

Combine like terms: 9y + -9y = 0
20x + -5xy + 0 = 36 + -9y
20x + -5xy = 36 + -9y

Reorder the terms:
-36 + 20x + -5xy + 9y = 36 + -9y + -36 + 9y

Reorder the terms:
-36 + 20x + -5xy + 9y = 36 + -36 + -9y + 9y

Combine like terms: 36 + -36 = 0
-36 + 20x + -5xy + 9y = 0 + -9y + 9y
-36 + 20x + -5xy + 9y = -9y + 9y

Combine like terms: -9y + 9y = 0
-36 + 20x + -5xy + 9y = 0

The solution to this equation could not be determined.

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