A+185=156*7 a*7=423+4008 x+237*1=496

Question

A+185=156*7
a*7=423+4008
x+237*1=496

Answer 1

А+185=1092
а=1092-185
а=907

а*7=4431
а=4431:7
а=633

х+237=496
х=496-237
х=259