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aivan3 [116]
2 years ago
15

How many solutions?

Mathematics
2 answers:
Blizzard [7]2 years ago
8 0

Answer:

One solution

Step-by-step explanation:

3x+ 9 = 21

        3x = 21- 9

       3x = 12

         x = 12/3

x = 4

So, one solution

noname [10]2 years ago
7 0

Answer:

A. one solution

Step-by-step explanation:

solve for X and the only possible answer would be 4 , so A

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Step-by-step explanation:
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