81-3x=8x+5

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Solution for 81-3x=8x+5 equation:


Simplifying
81 + -3x = 8x + 5

Reorder the terms:
81 + -3x = 5 + 8x

Solving
81 + -3x = 5 + 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 + -3x + -8x = 5 + 8x + -8x

Combine like terms: -3x + -8x = -11x
81 + -11x = 5 + 8x + -8x

Combine like terms: 8x + -8x = 0
81 + -11x = 5 + 0
81 + -11x = 5

Add '-81' to each side of the equation.
81 + -81 + -11x = 5 + -81

Combine like terms: 81 + -81 = 0
0 + -11x = 5 + -81
-11x = 5 + -81

Combine like terms: 5 + -81 = -76
-11x = -76

Divide each side by '-11'.
x = 6.909090909

Simplifying
x = 6.909090909

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