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

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Solution for 3(x-9)+x=4(x-9)+9 equation: 


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

Reorder the terms:
3(-9 + x) + x = 4(x + -9) + 9
(-9 * 3 + x * 3) + x = 4(x + -9) + 9
(-27 + 3x) + x = 4(x + -9) + 9

Combine like terms: 3x + x = 4x
-27 + 4x = 4(x + -9) + 9

Reorder the terms:
-27 + 4x = 4(-9 + x) + 9
-27 + 4x = (-9 * 4 + x * 4) + 9
-27 + 4x = (-36 + 4x) + 9

Reorder the terms:
-27 + 4x = -36 + 9 + 4x

Combine like terms: -36 + 9 = -27
-27 + 4x = -27 + 4x

Add '27' to each side of the equation.
-27 + 27 + 4x = -27 + 27 + 4x

Combine like terms: -27 + 27 = 0
0 + 4x = -27 + 27 + 4x
4x = -27 + 27 + 4x

Combine like terms: -27 + 27 = 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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