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3 x /4 = 5

3 x = 20

x = 20/3

4 x - 3  = 11

4 x = 11 + 3

4 x = 14

x = 14/4 = 7 /2

7 - 8 x = 56

- 8 x = 56 - 7

- 8 x =  49

x = - 49/8

6 x - 4 = 3 x + 14

6 x - 3 x = 14 + 4

3 x = 18

x = 6

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