9y-x=81

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Solution for 9y-x=81 equation:


Simplifying
9y + -1x = 81

Reorder the terms:
-1x + 9y = 81

Solving
-1x + 9y = 81

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
-1x + 9y + -9y = 81 + -9y

Combine like terms: 9y + -9y = 0
-1x + 0 = 81 + -9y
-1x = 81 + -9y

Divide each side by '-1'.
x = -81 + 9y

Simplifying
x = -81 + 9y

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