Answer:
The reverse of dividing by 20 is multiplying by 20.
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There are no specified Numbers provided
Step-by-step explanation:
Answer: Yes its correct
I think group 1 if it is wrong then write is comment box
Number 15 is no solution.
Number 27 is that x has to be between -2 or 2.
This could be explained as -2≤x≤2
