equals
12
negative 10
10
13
negative "A"
negative "A" plus 1
14
If a is -3, hide it: so add 3 and divide, division by 0 gives error and hides equation
15
equals
16
negative "B"
negative "B" plus 1
17
equals
18
equals
19
negative 10
10
20
negative 10
10
21
negative 10
10
22
23
24
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