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Yanka [14]
3 years ago
10

The sum of a number times 3 and 7 equals 2

Mathematics
1 answer:
ella [17]3 years ago
7 0
3 x + 7 = 2 
3 x = 2 - 7
3 x = - 5
x = - 5/3 

3 ( -5/3) + 7  = - 15/3 + 7 = - 5 + 7 = 2 
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