r^9-21=3

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Solution for r^9-21=3 equation:


Simplifying
r9 + -21 = 3

Reorder the terms:
-21 + r9 = 3

Solving
-21 + r9 = 3

Solving for variable 'r'.

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

Add '21' to each side of the equation.
-21 + 21 + r9 = 3 + 21

Combine like terms: -21 + 21 = 0
0 + r9 = 3 + 21
r9 = 3 + 21

Combine like terms: 3 + 21 = 24
r9 = 24

Simplifying
r9 = 24

Reorder the terms:
-24 + r9 = 24 + -24

Combine like terms: 24 + -24 = 0
-24 + r9 = 0

The solution to this equation could not be determined.

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