9x-21y=4

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Solution for 9x-21y=4 equation: 


Simplifying
9x + -21y = 4

Solving
9x + -21y = 4

Solving for variable 'x'.

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

Add '21y' to each side of the equation.
9x + -21y + 21y = 4 + 21y

Combine like terms: -21y + 21y = 0
9x + 0 = 4 + 21y
9x = 4 + 21y

Divide each side by '9'.
x = 0.4444444444 + 2.333333333y

Simplifying
x = 0.4444444444 + 2.333333333y

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