2x-81=84-9x

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Solution for 2x-81=84-9x equation:


Simplifying
2x + -81 = 84 + -9x

Reorder the terms:
-81 + 2x = 84 + -9x

Solving
-81 + 2x = 84 + -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 + 2x + 9x = 84 + -9x + 9x

Combine like terms: 2x + 9x = 11x
-81 + 11x = 84 + -9x + 9x

Combine like terms: -9x + 9x = 0
-81 + 11x = 84 + 0
-81 + 11x = 84

Add '81' to each side of the equation.
-81 + 81 + 11x = 84 + 81

Combine like terms: -81 + 81 = 0
0 + 11x = 84 + 81
11x = 84 + 81

Combine like terms: 84 + 81 = 165
11x = 165

Divide each side by '11'.
x = 15

Simplifying
x = 15

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