Question

a+b+c=165 b=cu 10 mai mare (a) c=cu 25 mai mare decat (b) Afla numerele

Answer 1

a+b+c=165
b=a+10=>a=b-10
c=b+25
b-10+b+b+25=165
b-10+b+b=165-25
b-10+b+b=140
b+b+b-10=140
b+b+b=140+10
b+b+b=150
3b=150
b=150:3
b=50
c=b+25=>c=50+25 c=75
a=50-10=>a=40

Answer 2

a+b+c=165
b=10+a
c=25+b
a+10+a+25+b=165
2a+35+10+a=165
3a=165-45
3a=120
a=120:3
a=40
b=10+40=50
c=25+50=75