7x^2-4y^2=18

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Solution for 7x^2-4y^2=18 equation:


Simplifying
7x2 + -4y2 = 18

Solving
7x2 + -4y2 = 18

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.
7x2 + -4y2 + 4y2 = 18 + 4y2

Combine like terms: -4y2 + 4y2 = 0
7x2 + 0 = 18 + 4y2
7x2 = 18 + 4y2

Divide each side by '7'.
x2 = 2.571428571 + 0.5714285714y2

Simplifying
x2 = 2.571428571 + 0.5714285714y2

Reorder the terms:
-2.571428571 + x2 + -0.5714285714y2 = 2.571428571 + 0.5714285714y2 + -2.571428571 + -0.5714285714y2

Reorder the terms:
-2.571428571 + x2 + -0.5714285714y2 = 2.571428571 + -2.571428571 + 0.5714285714y2 + -0.5714285714y2

Combine like terms: 2.571428571 + -2.571428571 = 0.000000000
-2.571428571 + x2 + -0.5714285714y2 = 0.000000000 + 0.5714285714y2 + -0.5714285714y2
-2.571428571 + x2 + -0.5714285714y2 = 0.5714285714y2 + -0.5714285714y2

Combine like terms: 0.5714285714y2 + -0.5714285714y2 = 0.0000000000
-2.571428571 + x2 + -0.5714285714y2 = 0.0000000000

The solution to this equation could not be determined.

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