9x^2-4y^2=0

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Solution for 9x^2-4y^2=0 equation: 


Simplifying
9x2 + -4y2 = 0

Solving
9x2 + -4y2 = 0

Solving for variable 'x'.

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

Add '4y2' to each side of the equation.
9x2 + -4y2 + 4y2 = 0 + 4y2

Combine like terms: -4y2 + 4y2 = 0
9x2 + 0 = 0 + 4y2
9x2 = 0 + 4y2
Remove the zero:
9x2 = 4y2

Divide each side by '9'.
x2 = 0.4444444444y2

Simplifying
x2 = 0.4444444444y2

Take the square root of each side:
x = {-0.666666667y, 0.666666667y}

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