What is the value of k

k = 5

Step-by-step explanation:

3x + k

im going to replace the x with the numbers that go there

3 x 1 + k = 8

3 x 1 = 3

8 - 3 = 5

k = 5

3 x 3 + k = 14

3 x 3 = 9

14 - 9 = 5

k = 5

3 x 5 + k = 20

3 x 5 = 15

20 - 15 = 5

k = 5

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Step-by-step explanation: