rx^2-19=0

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Solution for rx^2-19=0 equation: 


Simplifying
rx2 + -19 = 0

Reorder the terms:
-19 + rx2 = 0

Solving
-19 + rx2 = 0

Solving for variable 'r'.

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

Add '19' to each side of the equation.
-19 + 19 + rx2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + rx2 = 0 + 19
rx2 = 0 + 19

Combine like terms: 0 + 19 = 19
rx2 = 19

Divide each side by 'x2'.
r = 19x-2

Simplifying
r = 19x-2

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