Answer:
10k ÷ 10 + 1 = k + 1
Explanation:
LHS
10k ÷ 10 + 1
10(9) ÷ 10 + 1
90 ÷ 10 + 1
10
RHS
k + 1
9 + 1
10k ÷ 10 + 1 = 10
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