Answer:
7
Explanation:
If k = 7, then kx + 2 = 2 + 7x, which is true and is independent of the value of x.
K = 7
Step-by-step:
kx + 2 = 2 + 7x
kx = 2 - 2 + 7x
kx = 7x
/x /x
k = 7
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