2x-4y=a

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Solution for 2x-4y=a equation: 


Simplifying
2x + -4y = a

Solving
2x + -4y = a

Solving for variable 'x'.

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

Add '4y' to each side of the equation.
2x + -4y + 4y = a + 4y

Combine like terms: -4y + 4y = 0
2x + 0 = a + 4y
2x = a + 4y

Divide each side by '2'.
x = 0.5a + 2y

Simplifying
x = 0.5a + 2y

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