Question

240:( x+3)-5=7. 16*(11- x:8)=64

Answer 1

240:(х+3)-5=7
240:(х+3)=12
Х+3= 240:12
Х+3=20
Х=20-3
Х=17

16•(11-х:8)=64
11-х:8=64:16
11-х:8=4
Х:8=11-4
Х:8=7
Х=8•7
Х=56