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What subject does Minh have on Monday and Friday?

1.a

2.b

3.b

4.b

5.c

6.c

7.a

8.b

9.a

10.b

by

12x - 33 = 3² . 3³

3 . 4x - 3 . 11 = 3²⁺³

3 . (4x - 11) = 3⁵

=> 4x - 11 = 3⁵ : 3

     4x -  11  = 3⁴

      4x -  11 = 81

       4x       = 81 + 11

        4x       = 92

         x        = 92 : 4

         x        = 23

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