Divide each side by cubelatealaea
| cubelateralarea | |
| cubelatealaea |
| = |
| 20 |
| cubelatealaea |
Cancel the cubelatealaea on the left side
| = |
| 20 |
| cubelatealaea |
Simplifying:
| r = | 20 |
| cubelatealaea |
r = 20/cubelatealaea
| cubelateralarea | |
| cubelatealaea |
| = |
| 20 |
| cubelatealaea |
| = |
| 20 |
| cubelatealaea |
| r = | 20 |
| cubelatealaea |
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