9x-12a=11a-81x

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Solution for 9x-12a=11a-81x equation:


Simplifying
9x + -12a = 11a + -81x

Reorder the terms:
-12a + 9x = 11a + -81x

Solving
-12a + 9x = 11a + -81x

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
-12a + -11a + 9x = 11a + -11a + -81x

Combine like terms: -12a + -11a = -23a
-23a + 9x = 11a + -11a + -81x

Combine like terms: 11a + -11a = 0
-23a + 9x = 0 + -81x
-23a + 9x = -81x

Add '-9x' to each side of the equation.
-23a + 9x + -9x = -81x + -9x

Combine like terms: 9x + -9x = 0
-23a + 0 = -81x + -9x
-23a = -81x + -9x

Combine like terms: -81x + -9x = -90x
-23a = -90x

Divide each side by '-23'.
a = 3.913043478x

Simplifying
a = 3.913043478x

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