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AVprozaik [17]
3 years ago
13

1. 7x - 2 If x = 3 2. 5x -2y If x =3 and y = 4

Mathematics
1 answer:
Svetllana [295]3 years ago
5 0
1)

7x3 -2

21-2

19

2)

5x3 - 2x4

15-8

7





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