Question

a+b+c=33 a=3 ori c,a=b+2 aflati a b c ?

Answer 1

a+b+c=33

a=3c

a=b+2

b=a-2=3c-2

3c+3c-2+c=33

7c=33+2

c=35:7

c=5

a=3×5

a=15

b=15-2

b=13

V:15+13+5=33

Answer 2

a+b+c=33 ; a=3c , c=a/3, a=b+2, b=a-2, inlocuim valorile lui b si c in suma

a+a-2+a/3=33, numitor comun 3

3a+3a-6+a=99, 7a=105, a=105/7=15, b=15-2=13, c=15/3=5