7x-11y=21

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Solution for 7x-11y=21 equation: 


Simplifying
7x + -11y = 21

Solving
7x + -11y = 21

Solving for variable 'x'.

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

Add '11y' to each side of the equation.
7x + -11y + 11y = 21 + 11y

Combine like terms: -11y + 11y = 0
7x + 0 = 21 + 11y
7x = 21 + 11y

Divide each side by '7'.
x = 3 + 1.571428571y

Simplifying
x = 3 + 1.571428571y

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