MCQOPTIONS
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| 1. |
The sum of 4x + 3y  7z, x  y  z and Â2x  3y + 4z is |
| A. | 3x -Â y -Â 4z |
| B. | 3x -Â y + 4z |
| C. | 3x + y -Â 4z |
| D. | 3x + y + 4z |
| Answer» B. 3x -Â y + 4z | |