9(x-9)=18

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Solution for 9(x-9)=18 equation: 


Simplifying
9(x + -9) = 18

Reorder the terms:
9(-9 + x) = 18
(-9 * 9 + x * 9) = 18
(-81 + 9x) = 18

Solving
-81 + 9x = 18

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 + 9x = 18 + 81

Combine like terms: -81 + 81 = 0
0 + 9x = 18 + 81
9x = 18 + 81

Combine like terms: 18 + 81 = 99
9x = 99

Divide each side by '9'.
x = 11

Simplifying
x = 11

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