.3x+.5y=4

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Solution for .3x+.5y=4 equation: 


Simplifying
0.3x + 0.5y = 4

Solving
0.3x + 0.5y = 4

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.
0.3x + 0.5y + -0.5y = 4 + -0.5y

Combine like terms: 0.5y + -0.5y = 0.0
0.3x + 0.0 = 4 + -0.5y
0.3x = 4 + -0.5y

Divide each side by '0.3'.
x = 13.33333333 + -1.666666667y

Simplifying
x = 13.33333333 + -1.666666667y

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