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natita [175]
4 years ago
6

Evaluate 12x-(4y+7z) for x=9 y=4 z=2

Mathematics
1 answer:
Harrizon [31]4 years ago
8 0
The answer is 78

12x9=108

4x4=16

7x2=14

16+14=30

So, 108-30=78

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