.3x-y=3

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Solution for .3x-y=3 equation: 


Simplifying
0.3x + -1y = 3

Solving
0.3x + -1y = 3

Solving for variable 'x'.

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

Add 'y' to each side of the equation.
0.3x + -1y + y = 3 + y

Combine like terms: -1y + y = 0
0.3x + 0 = 3 + y
0.3x = 3 + y

Divide each side by '0.3'.
x = 10 + 3.333333333y

Simplifying
x = 10 + 3.333333333y

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