21r^2+22-8=

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Solution for 21r^2+22-8= equation:


Simplifying
21r2 + 22 + -8 = 0

Reorder the terms:
22 + -8 + 21r2 = 0

Combine like terms: 22 + -8 = 14
14 + 21r2 = 0

Solving
14 + 21r2 = 0

Solving for variable 'r'.

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

Add '-14' to each side of the equation.
14 + -14 + 21r2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + 21r2 = 0 + -14
21r2 = 0 + -14

Combine like terms: 0 + -14 = -14
21r2 = -14

Divide each side by '21'.
r2 = -0.6666666667

Simplifying
r2 = -0.6666666667

Reorder the terms:
0.6666666667 + r2 = -0.6666666667 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.6666666667 + r2 = 0.0000000000

The solution to this equation could not be determined.

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