80.5=3x-3x-8x-20.5

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Solution for 80.5=3x-3x-8x-20.5 equation:


Simplifying
80.5 = 3x + -3x + -8x + -20.5

Reorder the terms:
80.5 = -20.5 + 3x + -3x + -8x

Combine like terms: 3x + -3x = 0
80.5 = -20.5 + 0 + -8x
80.5 = -20.5 + -8x

Solving
80.5 = -20.5 + -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.
80.5 + 8x = -20.5 + -8x + 8x

Combine like terms: -8x + 8x = 0
80.5 + 8x = -20.5 + 0
80.5 + 8x = -20.5

Add '-80.5' to each side of the equation.
80.5 + -80.5 + 8x = -20.5 + -80.5

Combine like terms: 80.5 + -80.5 = 0.0
0.0 + 8x = -20.5 + -80.5
8x = -20.5 + -80.5

Combine like terms: -20.5 + -80.5 = -101
8x = -101

Divide each side by '8'.
x = -12.625

Simplifying
x = -12.625

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