4x-9=81-11x

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Solution for 4x-9=81-11x equation:


Simplifying
4x + -9 = 81 + -11x

Reorder the terms:
-9 + 4x = 81 + -11x

Solving
-9 + 4x = 81 + -11x

Solving for variable 'x'.

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

Add '11x' to each side of the equation.
-9 + 4x + 11x = 81 + -11x + 11x

Combine like terms: 4x + 11x = 15x
-9 + 15x = 81 + -11x + 11x

Combine like terms: -11x + 11x = 0
-9 + 15x = 81 + 0
-9 + 15x = 81

Add '9' to each side of the equation.
-9 + 9 + 15x = 81 + 9

Combine like terms: -9 + 9 = 0
0 + 15x = 81 + 9
15x = 81 + 9

Combine like terms: 81 + 9 = 90
15x = 90

Divide each side by '15'.
x = 6

Simplifying
x = 6

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