Question

locatarii blocului meu au plantat 44 pomi ornamentali: salcii de doua ori cat tei, iar castani cu 2 mai multi decat salcii si tei impreuna. cati pomi au fost fin fiecare?

Answer 1

S=2xT
C=2+S+T
C=2+2T+T
C=2+3T
S+T+C=44
2T+T+2+3T=44
3T+2+3T=44
6T+2=44
6T=42
T=7
S=2T
S=14
C=2+3T
C=2+3*7
C=2+21
C=23
Castani=23
Tei=7
Salcii=14

Answer 2

salcii, tei si castani
a,b si c
a=2b
c=a+b+2=3b+2
a+b+c=44
2b+b+3b+2=44
6b=44-2
b=42/6
b=7 tei
a=2×7
a=14 salcii
c=7+14+2
c=23 castani
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