5(x-9)(4)=4(x+9)(5)

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


Simplifying
5(x + -9)(4) = 4(x + 9)(5)

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

Reorder the terms for easier multiplication:
5 * 4(-9 + x) = 4(x + 9)(5)

Multiply 5 * 4
20(-9 + x) = 4(x + 9)(5)
(-9 * 20 + x * 20) = 4(x + 9)(5)
(-180 + 20x) = 4(x + 9)(5)

Reorder the terms:
-180 + 20x = 4(9 + x)(5)

Reorder the terms for easier multiplication:
-180 + 20x = 4 * 5(9 + x)

Multiply 4 * 5
-180 + 20x = 20(9 + x)
-180 + 20x = (9 * 20 + x * 20)
-180 + 20x = (180 + 20x)

Add '-20x' to each side of the equation.
-180 + 20x + -20x = 180 + 20x + -20x

Combine like terms: 20x + -20x = 0
-180 + 0 = 180 + 20x + -20x
-180 = 180 + 20x + -20x

Combine like terms: 20x + -20x = 0
-180 = 180 + 0
-180 = 180

Solving
-180 = 180

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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