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Enter the number that belongs in the green box.

Enter the number that belongs in the green box.-example-1
User Alexpotato
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2 Answers

1 vote
x equals 7 because 4x+7 is congruent to 6x-7
User Alex Fu
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7 votes
6x-7=4x+7
6x=4x+14
2x=14
x=7
User Casteurr
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