(a*16 - 720) / 30 = 400 - 392

Question

(a*16 - 720) / 30 = 400 - 392

Answer 1

(а*16-720):30=8
а*16-720=8*30
а*16-720=240
а*16=240+720
а*16=960
а=960:16
а=60
(60*16-720):30=8