Question

Помогите пожалуйста с номером 521
1) 2/x + x/4 = x+5/20
2) 4/x + x/3 = x+14/21
3) x/11 + 1/x = 6+x/22 4)
2/x + x/8 = x+15/40
5) 3/x + x/5 = x+28/35
6) x/9 + 1/x = 10+x/45

Answer 1

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