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Please work this out!!

Please work this out!!-example-1

2 Answers

3 votes
The input is 9
Because
42+3=45/5=9
To prove its right
9*5=45-3=42
User JasperTack
by
5.8k points
1 vote

Work backwards

x*5-3 = 42

x*5 = 45

x = 9