3x+81=9(x+9)-6

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Solution for 3x+81=9(x+9)-6 equation:


Simplifying
3x + 81 = 9(x + 9) + -6

Reorder the terms:
81 + 3x = 9(x + 9) + -6

Reorder the terms:
81 + 3x = 9(9 + x) + -6
81 + 3x = (9 * 9 + x * 9) + -6
81 + 3x = (81 + 9x) + -6

Reorder the terms:
81 + 3x = 81 + -6 + 9x

Combine like terms: 81 + -6 = 75
81 + 3x = 75 + 9x

Solving
81 + 3x = 75 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
81 + 3x + -9x = 75 + 9x + -9x

Combine like terms: 3x + -9x = -6x
81 + -6x = 75 + 9x + -9x

Combine like terms: 9x + -9x = 0
81 + -6x = 75 + 0
81 + -6x = 75

Add '-81' to each side of the equation.
81 + -81 + -6x = 75 + -81

Combine like terms: 81 + -81 = 0
0 + -6x = 75 + -81
-6x = 75 + -81

Combine like terms: 75 + -81 = -6
-6x = -6

Divide each side by '-6'.
x = 1

Simplifying
x = 1

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