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klemol [59]
3 years ago
12

Twice the difference of a number and five is equal to three times the sum of the number and seven

Mathematics
1 answer:
Eduardwww [97]3 years ago
5 0
2(n-5)=3(n+7)
2n - 10= 3n +21
-10 - 21 = 3n- 2n
n=-31
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