| Welke gelijkwaardigheid klopt ? |
|---|
| A. 5b − k = c ⇔ b − k = c : 5 |
| B. 5b − k = c ⇔ b − k = c − 5 |
| C. k − abx = 0 ⇔ k − ab = − x |
| D. k − x = 1 ⇔ 1 + x = k |
| E. xy = 0 ⇔ x = − y |
[ 2-0114 - op net sinds 14.6.2020-(E)-24.10.2023 ]
|
What is correct ? (see above) |
A. |
|---|---|
| B. | |
| C. | |
| D. | |
| E. |
