81-5x=8x+16

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Solution for 81-5x=8x+16 equation:


Simplifying
81 + -5x = 8x + 16

Reorder the terms:
81 + -5x = 16 + 8x

Solving
81 + -5x = 16 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
81 + -5x + -8x = 16 + 8x + -8x

Combine like terms: -5x + -8x = -13x
81 + -13x = 16 + 8x + -8x

Combine like terms: 8x + -8x = 0
81 + -13x = 16 + 0
81 + -13x = 16

Add '-81' to each side of the equation.
81 + -81 + -13x = 16 + -81

Combine like terms: 81 + -81 = 0
0 + -13x = 16 + -81
-13x = 16 + -81

Combine like terms: 16 + -81 = -65
-13x = -65

Divide each side by '-13'.
x = 5

Simplifying
x = 5

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