5x-27+4x=81

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Solution for 5x-27+4x=81 equation:


Simplifying
5x + -27 + 4x = 81

Reorder the terms:
-27 + 5x + 4x = 81

Combine like terms: 5x + 4x = 9x
-27 + 9x = 81

Solving
-27 + 9x = 81

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 9x = 81 + 27

Combine like terms: -27 + 27 = 0
0 + 9x = 81 + 27
9x = 81 + 27

Combine like terms: 81 + 27 = 108
9x = 108

Divide each side by '9'.
x = 12

Simplifying
x = 12

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