3x+.5y=.81

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Solution for 3x+.5y=.81 equation: 


Simplifying
3x + 0.5y = 0.81

Solving
3x + 0.5y = 0.81

Solving for variable 'x'.

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

Add '-0.5y' to each side of the equation.
3x + 0.5y + -0.5y = 0.81 + -0.5y

Combine like terms: 0.5y + -0.5y = 0.0
3x + 0.0 = 0.81 + -0.5y
3x = 0.81 + -0.5y

Divide each side by '3'.
x = 0.27 + -0.1666666667y

Simplifying
x = 0.27 + -0.1666666667y

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