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2014-09-03T16:58:28+03:00
A+b+c=155

a-28=b
a=28+b

c-22=b
c=22+b

28+b+b+22+b=155
3b+ 50=155

3b=155-50
3b=105
b=35

a=28+35= 63

c=22+35=57
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  • Utilizator Brainly
2014-09-03T16:59:31+03:00
A+b+c=155

a=b+28
c=b+22

b+28+b+b+22=155
3b+50=155
3b=105
b=35

a=b+28
a=35+28
a=63

c=b+22
c=35+22
c=57

Verificare : 63+35+57=155