r^4-2=-7

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Solution for r^4-2=-7 equation:


Simplifying
r4 + -2 = -7

Reorder the terms:
-2 + r4 = -7

Solving
-2 + r4 = -7

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 + r4 = -7 + 2

Combine like terms: -2 + 2 = 0
0 + r4 = -7 + 2
r4 = -7 + 2

Combine like terms: -7 + 2 = -5
r4 = -5

Simplifying
r4 = -5

Reorder the terms:
5 + r4 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + r4 = 0

The solution to this equation could not be determined.

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