13+a^2=19

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Solution for 13+a^2=19 equation: 


Simplifying
13 + a2 = 19

Solving
13 + a2 = 19

Solving for variable 'a'.

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

Add '-13' to each side of the equation.
13 + -13 + a2 = 19 + -13

Combine like terms: 13 + -13 = 0
0 + a2 = 19 + -13
a2 = 19 + -13

Combine like terms: 19 + -13 = 6
a2 = 6

Simplifying
a2 = 6

Take the square root of each side:
a = {-2.449489743, 2.449489743}

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