8x-9=x-9

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Solution for 8x-9=x-9 equation:


Simplifying
8x + -9 = x + -9

Reorder the terms:
-9 + 8x = x + -9

Reorder the terms:
-9 + 8x = -9 + x

Add '9' to each side of the equation.
-9 + 9 + 8x = -9 + 9 + x

Combine like terms: -9 + 9 = 0
0 + 8x = -9 + 9 + x
8x = -9 + 9 + x

Combine like terms: -9 + 9 = 0
8x = 0 + x
8x = x

Solving
8x = x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
8x + -1x = x + -1x

Combine like terms: 8x + -1x = 7x
7x = x + -1x

Combine like terms: x + -1x = 0
7x = 0

Divide each side by '7'.
x = 0

Simplifying
x = 0

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