Question

Помогите номер 1
Срочно!!!

Answer 1

240:(х+3)-5=7
240:(х+3)=7+5
240:(х+3)=12
х+3=12×240
х+3=2880
х=2880-3
х=2877

Answer 2

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

16×(11-x:8)=64
11-х : 8=64:16
11-х : 8=4
х : 8 =11-4
х : 8 = 7
x=8×7
x=56