Question

(168-Х)*23=1288 (347-Х)&16=864

Answer 1

(168-x)•23=1288
3864-23x=1288
23x=-3864+1288
23x=−2 576
x=-2576:23
x=-112

(347-x)•16=864
5552-16x=864
16x=-5552+864
16x=−4688
x=−4688:16
x=-293