7y-7x=9

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Solution for 7y-7x=9 equation: 


Simplifying
7y + -7x = 9

Reorder the terms:
-7x + 7y = 9

Solving
-7x + 7y = 9

Solving for variable 'x'.

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

Add '-7y' to each side of the equation.
-7x + 7y + -7y = 9 + -7y

Combine like terms: 7y + -7y = 0
-7x + 0 = 9 + -7y
-7x = 9 + -7y

Divide each side by '-7'.
x = -1.285714286 + y

Simplifying
x = -1.285714286 + y

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