b^2+4=19

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Solution for b^2+4=19 equation: 


Simplifying
b2 + 4 = 19

Reorder the terms:
4 + b2 = 19

Solving
4 + b2 = 19

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + b2 = 19 + -4

Combine like terms: 4 + -4 = 0
0 + b2 = 19 + -4
b2 = 19 + -4

Combine like terms: 19 + -4 = 15
b2 = 15

Simplifying
b2 = 15

Take the square root of each side:
b = {-3.872983346, 3.872983346}

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