4x+81=9(x+9)-5x

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Solution for 4x+81=9(x+9)-5x equation: 


Simplifying
4x + 81 = 9(x + 9) + -5x

Reorder the terms:
81 + 4x = 9(x + 9) + -5x

Reorder the terms:
81 + 4x = 9(9 + x) + -5x
81 + 4x = (9 * 9 + x * 9) + -5x
81 + 4x = (81 + 9x) + -5x

Combine like terms: 9x + -5x = 4x
81 + 4x = 81 + 4x

Add '-81' to each side of the equation.
81 + -81 + 4x = 81 + -81 + 4x

Combine like terms: 81 + -81 = 0
0 + 4x = 81 + -81 + 4x
4x = 81 + -81 + 4x

Combine like terms: 81 + -81 = 0
4x = 0 + 4x
4x = 4x

Add '-4x' to each side of the equation.
4x + -4x = 4x + -4x

Combine like terms: 4x + -4x = 0
0 = 4x + -4x

Combine like terms: 4x + -4x = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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