4y-9x=31

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Solution for 4y-9x=31 equation: 


Simplifying
4y + -9x = 31

Reorder the terms:
-9x + 4y = 31

Solving
-9x + 4y = 31

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
-9x + 4y + -4y = 31 + -4y

Combine like terms: 4y + -4y = 0
-9x + 0 = 31 + -4y
-9x = 31 + -4y

Divide each side by '-9'.
x = -3.444444444 + 0.4444444444y

Simplifying
x = -3.444444444 + 0.4444444444y

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