(2x^2)-7y^2=-13

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Solution for (2x^2)-7y^2=-13 equation: 


Simplifying
(2x2) + -7y2 = -13

Solving
(2x2) + -7y2 = -13

Solving for variable 'x'.

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

Add '7y2' to each side of the equation.
(2x2) + -7y2 + 7y2 = -13 + 7y2

Combine like terms: -7y2 + 7y2 = 0
(2x2) + 0 = -13 + 7y2
(2x2) = -13 + 7y2

Divide each side by '2'.
x2 = -6.5 + 3.5y2

Simplifying
x2 = -6.5 + 3.5y2

Reorder the terms:
6.5 + x2 + -3.5y2 = -6.5 + 3.5y2 + 6.5 + -3.5y2

Reorder the terms:
6.5 + x2 + -3.5y2 = -6.5 + 6.5 + 3.5y2 + -3.5y2

Combine like terms: -6.5 + 6.5 = 0.0
6.5 + x2 + -3.5y2 = 0.0 + 3.5y2 + -3.5y2
6.5 + x2 + -3.5y2 = 3.5y2 + -3.5y2

Combine like terms: 3.5y2 + -3.5y2 = 0.0
6.5 + x2 + -3.5y2 = 0.0

The solution to this equation could not be determined.

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