Question

A)60+(500:x-16)*35=200
B)(100-x:9)*8=480

Answer 1

а) 60+(500:х-16)•35=200 (500:х-16)•35=200-60 (500:х-16)•35=140 500:х-16=140:35 500:х-16=4 500:х=16+4 500:х=20 х=500:20 х=25

Answer 2

спасибо