x-9=4x-9

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Solution for x-9=4x-9 equation:


Simplifying
x + -9 = 4x + -9

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

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

Add '9' to each side of the equation.
-9 + 9 + x = -9 + 9 + 4x

Combine like terms: -9 + 9 = 0
0 + x = -9 + 9 + 4x
x = -9 + 9 + 4x

Combine like terms: -9 + 9 = 0
x = 0 + 4x
x = 4x

Solving
x = 4x

Solving for variable 'x'.

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

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

Combine like terms: x + -4x = -3x
-3x = 4x + -4x

Combine like terms: 4x + -4x = 0
-3x = 0

Divide each side by '-3'.
x = 0

Simplifying
x = 0

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