80=3x+5y

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Solution for 80=3x+5y equation:


Simplifying
80 = 3x + 5y

Solving
80 = 3x + 5y

Solving for variable 'x'.

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

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

Combine like terms: 3x + -3x = 0
80 + -3x = 0 + 5y
80 + -3x = 5y

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

Combine like terms: 80 + -80 = 0
0 + -3x = -80 + 5y
-3x = -80 + 5y

Divide each side by '-3'.
x = 26.66666667 + -1.666666667y

Simplifying
x = 26.66666667 + -1.666666667y

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