X^2+y^2+4x-4y+7=0

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Solution for X^2+y^2+4x-4y+7=0 equation: 


Simplifying
X2 + y2 + 4x + -4y + 7 = 0

Reorder the terms:
7 + X2 + 4x + -4y + y2 = 0

Solving
7 + X2 + 4x + -4y + y2 = 0

Solving for variable 'X'.

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

Add '-7' to each side of the equation.
7 + X2 + 4x + -4y + -7 + y2 = 0 + -7

Reorder the terms:
7 + -7 + X2 + 4x + -4y + y2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + X2 + 4x + -4y + y2 = 0 + -7
X2 + 4x + -4y + y2 = 0 + -7

Combine like terms: 0 + -7 = -7
X2 + 4x + -4y + y2 = -7

Add '-4x' to each side of the equation.
X2 + 4x + -4y + -4x + y2 = -7 + -4x

Reorder the terms:
X2 + 4x + -4x + -4y + y2 = -7 + -4x

Combine like terms: 4x + -4x = 0
X2 + 0 + -4y + y2 = -7 + -4x
X2 + -4y + y2 = -7 + -4x

Add '4y' to each side of the equation.
X2 + -4y + 4y + y2 = -7 + -4x + 4y

Combine like terms: -4y + 4y = 0
X2 + 0 + y2 = -7 + -4x + 4y
X2 + y2 = -7 + -4x + 4y

Add '-1y2' to each side of the equation.
X2 + y2 + -1y2 = -7 + -4x + 4y + -1y2

Combine like terms: y2 + -1y2 = 0
X2 + 0 = -7 + -4x + 4y + -1y2
X2 = -7 + -4x + 4y + -1y2

Simplifying
X2 = -7 + -4x + 4y + -1y2

Reorder the terms:
7 + X2 + 4x + -4y + y2 = -7 + -4x + 4y + -1y2 + 7 + 4x + -4y + y2

Reorder the terms:
7 + X2 + 4x + -4y + y2 = -7 + 7 + -4x + 4x + 4y + -4y + -1y2 + y2

Combine like terms: -7 + 7 = 0
7 + X2 + 4x + -4y + y2 = 0 + -4x + 4x + 4y + -4y + -1y2 + y2
7 + X2 + 4x + -4y + y2 = -4x + 4x + 4y + -4y + -1y2 + y2

Combine like terms: -4x + 4x = 0
7 + X2 + 4x + -4y + y2 = 0 + 4y + -4y + -1y2 + y2
7 + X2 + 4x + -4y + y2 = 4y + -4y + -1y2 + y2

Combine like terms: 4y + -4y = 0
7 + X2 + 4x + -4y + y2 = 0 + -1y2 + y2
7 + X2 + 4x + -4y + y2 = -1y2 + y2

Combine like terms: -1y2 + y2 = 0
7 + X2 + 4x + -4y + y2 = 0

The solution to this equation could not be determined.

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