9y-4x=-78

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Solution for 9y-4x=-78 equation: 


Simplifying
9y + -4x = -78

Reorder the terms:
-4x + 9y = -78

Solving
-4x + 9y = -78

Solving for variable 'x'.

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

Add '-9y' to each side of the equation.
-4x + 9y + -9y = -78 + -9y

Combine like terms: 9y + -9y = 0
-4x + 0 = -78 + -9y
-4x = -78 + -9y

Divide each side by '-4'.
x = 19.5 + 2.25y

Simplifying
x = 19.5 + 2.25y

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