Răspuns :
a+b=225
a=b+25
b+25+b=225
2b+25=225
2b= 225-25
2b=200
b=200:2=100
a=100+25=125
a=b+25
b+25+b=225
2b+25=225
2b= 225-25
2b=200
b=200:2=100
a=100+25=125