Question

300*х =97612-7612. 67343-х =6309:9. х:420=13256-3314*4 (1512-504*3)+а =12447:27.

Answer 1

67343-х =97612-7612
300*х =90000
х=90000:300
х=300

 67343-х =6309:9
-х=701-67343
х=66642

х:420=13256-3314*4
х:420=13256-13256
x=0


(1512-504*3)+а =12447:27
(1512-1512)+a=461
0+a=461
a=461