9(9x-10)=90

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Solution for 9(9x-10)=90 equation: 


Simplifying
9(9x + -10) = 90

Reorder the terms:
9(-10 + 9x) = 90
(-10 * 9 + 9x * 9) = 90
(-90 + 81x) = 90

Solving
-90 + 81x = 90

Solving for variable 'x'.

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

Add '90' to each side of the equation.
-90 + 90 + 81x = 90 + 90

Combine like terms: -90 + 90 = 0
0 + 81x = 90 + 90
81x = 90 + 90

Combine like terms: 90 + 90 = 180
81x = 180

Divide each side by '81'.
x = 2.222222222

Simplifying
x = 2.222222222

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