Answer:
x=8
Explanation:
Subtract 7 from 56 until you get 0, then count up how many 7's you used.
56-7-7-7-7-7-7-7-7=0
56-7=49
49-7=42
42-7=35
35-7=28
28-7=21
21-7=14
14-7=7
7-7=0
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