7x+4y=-9

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


Simplifying
7x + 4y = -9

Solving
7x + 4y = -9

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

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

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

Simplifying
x = -1.285714286 + -0.5714285714y

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