7x^2+9y^2=-2

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Solution for 7x^2+9y^2=-2 equation:


Simplifying
7x2 + 9y2 = -2

Solving
7x2 + 9y2 = -2

Solving for variable 'x'.

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

Add '-9y2' to each side of the equation.
7x2 + 9y2 + -9y2 = -2 + -9y2

Combine like terms: 9y2 + -9y2 = 0
7x2 + 0 = -2 + -9y2
7x2 = -2 + -9y2

Divide each side by '7'.
x2 = -0.2857142857 + -1.285714286y2

Simplifying
x2 = -0.2857142857 + -1.285714286y2

Reorder the terms:
0.2857142857 + x2 + 1.285714286y2 = -0.2857142857 + -1.285714286y2 + 0.2857142857 + 1.285714286y2

Reorder the terms:
0.2857142857 + x2 + 1.285714286y2 = -0.2857142857 + 0.2857142857 + -1.285714286y2 + 1.285714286y2

Combine like terms: -0.2857142857 + 0.2857142857 = 0.0000000000
0.2857142857 + x2 + 1.285714286y2 = 0.0000000000 + -1.285714286y2 + 1.285714286y2
0.2857142857 + x2 + 1.285714286y2 = -1.285714286y2 + 1.285714286y2

Combine like terms: -1.285714286y2 + 1.285714286y2 = 0.000000000
0.2857142857 + x2 + 1.285714286y2 = 0.000000000

The solution to this equation could not be determined.

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