Question

Como puedo resolver 14/5a + 8 = 1/5 (6a -20)?

Answer 1

14/5a + 8 = 1/5 (6a - 20)
(2 (7a)/5 + 8 = (6a - 20)/5
14a + 40 = 2 (3a) - 2 (10)
14a + 40 = 6a - 20
14a - 6a = - 20 - 40
8a = - 60
a = - 60/8
a = - 15/2
El valor de a es -15/2