a^2+4=53

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Solution for a^2+4=53 equation: 


Simplifying
a2 + 4 = 53

Reorder the terms:
4 + a2 = 53

Solving
4 + a2 = 53

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 = 53 + -4

Combine like terms: 4 + -4 = 0
0 + a2 = 53 + -4
a2 = 53 + -4

Combine like terms: 53 + -4 = 49
a2 = 49

Simplifying
a2 = 49

Take the square root of each side:
a = {-7, 7}

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