7y-3x=-9

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Solution for 7y-3x=-9 equation: 


Simplifying
7y + -3x = -9

Reorder the terms:
-3x + 7y = -9

Solving
-3x + 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.
-3x + 7y + -7y = -9 + -7y

Combine like terms: 7y + -7y = 0
-3x + 0 = -9 + -7y
-3x = -9 + -7y

Divide each side by '-3'.
x = 3 + 2.333333333y

Simplifying
x = 3 + 2.333333333y

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