Choose all of the equations that are equivalent to 8k = 20
A. 8k - 4 = 20 + 4
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B. 8k + 4 = 20 + 4
C. 8k x 3 = 20 x 3
D. 8k + 10 = 20 + 10
E. 8k x 5 = 20 - 5