Question

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

Answer 1

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

11-x:8=64:16
11-x:8=4
x:8=11-4
x:8=7
x=7*8
x=56