a^2-4=y

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Solution for a^2-4=y equation:


Simplifying
a2 + -4 = y

Reorder the terms:
-4 + a2 = y

Solving
-4 + a2 = y

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + a2 = 4 + y

Combine like terms: -4 + 4 = 0
0 + a2 = 4 + y
a2 = 4 + y

Simplifying
a2 = 4 + y

Reorder the terms:
-4 + a2 + -1y = 4 + y + -4 + -1y

Reorder the terms:
-4 + a2 + -1y = 4 + -4 + y + -1y

Combine like terms: 4 + -4 = 0
-4 + a2 + -1y = 0 + y + -1y
-4 + a2 + -1y = y + -1y

Combine like terms: y + -1y = 0
-4 + a2 + -1y = 0

The solution to this equation could not be determined.

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