9x-11=80

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Solution for 9x-11=80 equation: 


Simplifying
9x + -11 = 80

Reorder the terms:
-11 + 9x = 80

Solving
-11 + 9x = 80

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 9x = 80 + 11

Combine like terms: -11 + 11 = 0
0 + 9x = 80 + 11
9x = 80 + 11

Combine like terms: 80 + 11 = 91
9x = 91

Divide each side by '9'.
x = 10.11111111

Simplifying
x = 10.11111111

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