0.3x-0.5y=4.2

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Solution for 0.3x-0.5y=4.2 equation: 


Simplifying
0.3x + -0.5y = 4.2

Solving
0.3x + -0.5y = 4.2

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 = 4.2 + 0.5y

Combine like terms: -0.5y + 0.5y = 0.0
0.3x + 0.0 = 4.2 + 0.5y
0.3x = 4.2 + 0.5y

Divide each side by '0.3'.
x = 14 + 1.666666667y

Simplifying
x = 14 + 1.666666667y

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