2r^2+2=-16

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Solution for 2r^2+2=-16 equation:


Simplifying
2r2 + 2 = -16

Reorder the terms:
2 + 2r2 = -16

Solving
2 + 2r2 = -16

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + 2r2 = -16 + -2

Combine like terms: 2 + -2 = 0
0 + 2r2 = -16 + -2
2r2 = -16 + -2

Combine like terms: -16 + -2 = -18
2r2 = -18

Divide each side by '2'.
r2 = -9

Simplifying
r2 = -9

Reorder the terms:
9 + r2 = -9 + 9

Combine like terms: -9 + 9 = 0
9 + r2 = 0

The solution to this equation could not be determined.

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