Question

Теңдеуді шеш: 1500:(х+400)=3; 1500: (700-а)=3; 3600: (b-100)=6

Answer 1

1) 1500:(x+400)=3
     x+400=500
     x=100
2) 1500:(700-a)=3
     700-a=500
     a=200
3) 3600:(b-100)=6
     b-100=600
     b=700