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AfilCa [17]
3 years ago
6

Anyone know the answer?

Mathematics
1 answer:
Anuta_ua [19.1K]3 years ago
7 0
21x - 19 = 3x + 17   |add 19 to both sides
21x = 3x + 36    |substract 3x from both sides
18x = 36     |divide both sides by 18
x = 2

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