80-3x=5x+9

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Solution for 80-3x=5x+9 equation:


Simplifying
80 + -3x = 5x + 9

Reorder the terms:
80 + -3x = 9 + 5x

Solving
80 + -3x = 9 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
80 + -3x + -5x = 9 + 5x + -5x

Combine like terms: -3x + -5x = -8x
80 + -8x = 9 + 5x + -5x

Combine like terms: 5x + -5x = 0
80 + -8x = 9 + 0
80 + -8x = 9

Add '-80' to each side of the equation.
80 + -80 + -8x = 9 + -80

Combine like terms: 80 + -80 = 0
0 + -8x = 9 + -80
-8x = 9 + -80

Combine like terms: 9 + -80 = -71
-8x = -71

Divide each side by '-8'.
x = 8.875

Simplifying
x = 8.875

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