x^2-2y-8=7

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Solution for x^2-2y-8=7 equation:


Simplifying
x2 + -2y + -8 = 7

Reorder the terms:
-8 + x2 + -2y = 7

Solving
-8 + x2 + -2y = 7

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + x2 + 8 + -2y = 7 + 8

Reorder the terms:
-8 + 8 + x2 + -2y = 7 + 8

Combine like terms: -8 + 8 = 0
0 + x2 + -2y = 7 + 8
x2 + -2y = 7 + 8

Combine like terms: 7 + 8 = 15
x2 + -2y = 15

Add '2y' to each side of the equation.
x2 + -2y + 2y = 15 + 2y

Combine like terms: -2y + 2y = 0
x2 + 0 = 15 + 2y
x2 = 15 + 2y

Simplifying
x2 = 15 + 2y

Reorder the terms:
-15 + x2 + -2y = 15 + 2y + -15 + -2y

Reorder the terms:
-15 + x2 + -2y = 15 + -15 + 2y + -2y

Combine like terms: 15 + -15 = 0
-15 + x2 + -2y = 0 + 2y + -2y
-15 + x2 + -2y = 2y + -2y

Combine like terms: 2y + -2y = 0
-15 + x2 + -2y = 0

The solution to this equation could not be determined.

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