3x^2+6y^2=18

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Solution for 3x^2+6y^2=18 equation:


Simplifying
3x2 + 6y2 = 18

Solving
3x2 + 6y2 = 18

Solving for variable 'x'.

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

Add '-6y2' to each side of the equation.
3x2 + 6y2 + -6y2 = 18 + -6y2

Combine like terms: 6y2 + -6y2 = 0
3x2 + 0 = 18 + -6y2
3x2 = 18 + -6y2

Divide each side by '3'.
x2 = 6 + -2y2

Simplifying
x2 = 6 + -2y2

Reorder the terms:
-6 + x2 + 2y2 = 6 + -2y2 + -6 + 2y2

Reorder the terms:
-6 + x2 + 2y2 = 6 + -6 + -2y2 + 2y2

Combine like terms: 6 + -6 = 0
-6 + x2 + 2y2 = 0 + -2y2 + 2y2
-6 + x2 + 2y2 = -2y2 + 2y2

Combine like terms: -2y2 + 2y2 = 0
-6 + x2 + 2y2 = 0

The solution to this equation could not be determined.

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