9(9-x)=3x+9

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Solution for 9(9-x)=3x+9 equation:


Simplifying
9(9 + -1x) = 3x + 9
(9 * 9 + -1x * 9) = 3x + 9
(81 + -9x) = 3x + 9

Reorder the terms:
81 + -9x = 9 + 3x

Solving
81 + -9x = 9 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
81 + -9x + -3x = 9 + 3x + -3x

Combine like terms: -9x + -3x = -12x
81 + -12x = 9 + 3x + -3x

Combine like terms: 3x + -3x = 0
81 + -12x = 9 + 0
81 + -12x = 9

Add '-81' to each side of the equation.
81 + -81 + -12x = 9 + -81

Combine like terms: 81 + -81 = 0
0 + -12x = 9 + -81
-12x = 9 + -81

Combine like terms: 9 + -81 = -72
-12x = -72

Divide each side by '-12'.
x = 6

Simplifying
x = 6

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