3 years ago

25 points

Mathematics

2 answers:

elixir [45]3 years ago

8 0

C. 4x + y = 21

4(3) + 9 = 21
12 + 9 = 21
21 = 21

natima [27]3 years ago

7 0

A=21 which is the correct answer
C=21 is also correct
Both A and C are correct

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