esperan
esperan
13-02-2020
Mathematics
contestada
14+5/7x-20=4(1/7x-1)
Respuesta :
MA20
MA20
13-02-2020
14-20= - 6
5/7x-6=4/7x-4
5/7x-4/7x= 1/7x
1/7x-6=-4
-4+6= 2
1/7x divide by 2= so x= 14
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