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VMariaS [17]
4 years ago
8

What is the fraction for 4(5n-7)=10n+2

Mathematics
1 answer:
natita [175]4 years ago
3 0
    4(5n - 7) = 10n + 2
4(5n) - 4(7) = 10n + 2
     20n - 28 = 10n + 2
   - 10n         - 10n
     10n - 28 = 2
           + 28 + 28
            10n = 30
             10     10
                n = 3
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