7x-3y=a

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Solution for 7x-3y=a equation: 


Simplifying
7x + -3y = a

Solving
7x + -3y = a

Solving for variable 'x'.

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

Add '3y' to each side of the equation.
7x + -3y + 3y = a + 3y

Combine like terms: -3y + 3y = 0
7x + 0 = a + 3y
7x = a + 3y

Divide each side by '7'.
x = 0.1428571429a + 0.4285714286y

Simplifying
x = 0.1428571429a + 0.4285714286y

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