7x+13x-9=4(5x+4)

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Solution for 7x+13x-9=4(5x+4) equation:


Simplifying
7x + 13x + -9 = 4(5x + 4)

Reorder the terms:
-9 + 7x + 13x = 4(5x + 4)

Combine like terms: 7x + 13x = 20x
-9 + 20x = 4(5x + 4)

Reorder the terms:
-9 + 20x = 4(4 + 5x)
-9 + 20x = (4 * 4 + 5x * 4)
-9 + 20x = (16 + 20x)

Add '-20x' to each side of the equation.
-9 + 20x + -20x = 16 + 20x + -20x

Combine like terms: 20x + -20x = 0
-9 + 0 = 16 + 20x + -20x
-9 = 16 + 20x + -20x

Combine like terms: 20x + -20x = 0
-9 = 16 + 0
-9 = 16

Solving
-9 = 16

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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