7x^2-7=y

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


Simplifying
7x2 + -7 = y

Reorder the terms:
-7 + 7x2 = y

Solving
-7 + 7x2 = y

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 + 7 + 7x2 = 7 + y

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

Divide each side by '7'.
x2 = 1 + 0.1428571429y

Simplifying
x2 = 1 + 0.1428571429y

Reorder the terms:
-1 + x2 + -0.1428571429y = 1 + 0.1428571429y + -1 + -0.1428571429y

Reorder the terms:
-1 + x2 + -0.1428571429y = 1 + -1 + 0.1428571429y + -0.1428571429y

Combine like terms: 1 + -1 = 0
-1 + x2 + -0.1428571429y = 0 + 0.1428571429y + -0.1428571429y
-1 + x2 + -0.1428571429y = 0.1428571429y + -0.1428571429y

Combine like terms: 0.1428571429y + -0.1428571429y = 0.0000000000
-1 + x2 + -0.1428571429y = 0.0000000000

The solution to this equation could not be determined.

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