Question

1250-5*х=225
4800:(у-50)=6
900:(х+5)=100
600:(а+20)=15
1250-х:5=1220
735+12*х=780

Answer 1

1250-5•х=225
5•х=1250-225
5•х=1025
Х=1025:5
Х=205

4800:(у-50)=6
У-50=4800:6
У-50=800
У=800+50
У=850

900:(х+5)=100
Х+5=900:100
Х+5=9
Х=9-5
Х=4