X^2+4y^2=85

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Solution for X^2+4y^2=85 equation: 


Simplifying
X2 + 4y2 = 85

Solving
X2 + 4y2 = 85

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.
X2 + 4y2 + -4y2 = 85 + -4y2

Combine like terms: 4y2 + -4y2 = 0
X2 + 0 = 85 + -4y2
X2 = 85 + -4y2

Simplifying
X2 = 85 + -4y2

Reorder the terms:
-85 + X2 + 4y2 = 85 + -4y2 + -85 + 4y2

Reorder the terms:
-85 + X2 + 4y2 = 85 + -85 + -4y2 + 4y2

Combine like terms: 85 + -85 = 0
-85 + X2 + 4y2 = 0 + -4y2 + 4y2
-85 + X2 + 4y2 = -4y2 + 4y2

Combine like terms: -4y2 + 4y2 = 0
-85 + X2 + 4y2 = 0

The solution to this equation could not be determined.

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