X+8X-9=0

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Solution for X+8X-9=0 equation: 


Simplifying
X + 8X + -9 = 0

Reorder the terms:
-9 + X + 8X = 0

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

Solving
-9 + 9X = 0

Solving for variable 'X'.

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

Add '9' to each side of the equation.
-9 + 9 + 9X = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 9X = 0 + 9
9X = 0 + 9

Combine like terms: 0 + 9 = 9
9X = 9

Divide each side by '9'.
X = 1

Simplifying
X = 1

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