Х×5+108=138; 24000÷(Х-12)=80

Question

Х×5+108=138; 24000÷(Х-12)=80

Answer 1

Х*5+108=138
5х=138-108
5х=30
х=30:5
х=6

24000:(х-12)=80
х-12=24000:80
х-12=300
х=300+12
х=312

Answer 2

Х+5+108=138 24000÷(×-12)=80
×+5=138-108 ×-12=24000÷80
×+5=30 ×-12=400
×=30-5 ×=400+12
×=25 ×=412