Question

Решить уравнения
240:(х+3)-5=7
16*(11-х:8)=64

Answer 1

240/(х+3)-5=7
240/(х+3)=7+5
240/(х+3)=12
х+3=240/12
х+3=20
х=20-3=17
16*(11-х/8)=64
11-х/8=64/16
-х/8=11-4