-7x+9y=4

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Solution for -7x+9y=4 equation: 


Simplifying
-7x + 9y = 4

Solving
-7x + 9y = 4

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.
-7x + 9y + -9y = 4 + -9y

Combine like terms: 9y + -9y = 0
-7x + 0 = 4 + -9y
-7x = 4 + -9y

Divide each side by '-7'.
x = -0.5714285714 + 1.285714286y

Simplifying
x = -0.5714285714 + 1.285714286y

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