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Enter the number that belongs in the green box.

Enter the number that belongs in the green box.
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4 votes
Enter the number that belongs in the green box.

Enter the number that belongs in the green box.-example-1
User Rlemon
by
7.1k points

1 Answer

2 votes
2x+42=4x
42=2x
21=x

Answer: x=21
User Curiouslychris
by
7.6k points
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