80-(3x)=5x+8

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Solution for 80-(3x)=5x+8 equation:


Simplifying
80 + -1(3x) = 5x + 8

Remove parenthesis around (3x)
80 + -1 * 3x = 5x + 8

Multiply -1 * 3
80 + -3x = 5x + 8

Reorder the terms:
80 + -3x = 8 + 5x

Solving
80 + -3x = 8 + 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 = 8 + 5x + -5x

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

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

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

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

Combine like terms: 8 + -80 = -72
-8x = -72

Divide each side by '-8'.
x = 9

Simplifying
x = 9

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