X*x-9*9=

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Solution for X*x-9*9= equation:


Simplifying
X * x + -9 * 9 = 0

Multiply X * x
xX + -9 * 9 = 0

Multiply -9 * 9
xX + -81 = 0

Reorder the terms:
-81 + xX = 0

Solving
-81 + xX = 0

Solving for variable 'x'.

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

Add '81' to each side of the equation.
-81 + 81 + xX = 0 + 81

Combine like terms: -81 + 81 = 0
0 + xX = 0 + 81
xX = 0 + 81

Combine like terms: 0 + 81 = 81
xX = 81

Divide each side by 'X'.
x = 81X-1

Simplifying
x = 81X-1

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