18x^2-16y^2=-7

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Solution for 18x^2-16y^2=-7 equation:


Simplifying
18x2 + -16y2 = -7

Solving
18x2 + -16y2 = -7

Solving for variable 'x'.

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

Add '16y2' to each side of the equation.
18x2 + -16y2 + 16y2 = -7 + 16y2

Combine like terms: -16y2 + 16y2 = 0
18x2 + 0 = -7 + 16y2
18x2 = -7 + 16y2

Divide each side by '18'.
x2 = -0.3888888889 + 0.8888888889y2

Simplifying
x2 = -0.3888888889 + 0.8888888889y2

Reorder the terms:
0.3888888889 + x2 + -0.8888888889y2 = -0.3888888889 + 0.8888888889y2 + 0.3888888889 + -0.8888888889y2

Reorder the terms:
0.3888888889 + x2 + -0.8888888889y2 = -0.3888888889 + 0.3888888889 + 0.8888888889y2 + -0.8888888889y2

Combine like terms: -0.3888888889 + 0.3888888889 = 0.0000000000
0.3888888889 + x2 + -0.8888888889y2 = 0.0000000000 + 0.8888888889y2 + -0.8888888889y2
0.3888888889 + x2 + -0.8888888889y2 = 0.8888888889y2 + -0.8888888889y2

Combine like terms: 0.8888888889y2 + -0.8888888889y2 = 0.0000000000
0.3888888889 + x2 + -0.8888888889y2 = 0.0000000000

The solution to this equation could not be determined.

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