Question

B = {x | 7x -1 = 13)​

Answer 1

Answer:

x = 2 is the element of set B

Step-by-step explanation:

7x - 1 = 13

7x = 14

x = 2

Answer 2

Answer:

=2

Step-by-step explanation:

7x-1=13

7x=14

Therefore

x=2

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