(5х+1):3=(1+8):5 помогите прошу

Question

(5х+1):3=(1+8):5 помогите прошу

Answer 1

(5х + 1) : 3 = (1 + 8) : 5
(5х + 1) : 3 = 9 : 5
(5х + 1) : 3 = 9/5
5х + 1 = 9/5 * 3 = 27/5 = 5 2/5
5х = 5 2/5 - 1 = 4 2/5
х = 4 2/5 : 5 = 22/5 * 1/5 = 22/25