Question

a+b=3
a+2b+3c=14
3b+4c=18
Afla a,b,c



Va rog rapid dau 15 puncte​

Answer 1

a+b=3 => a=3-b
3-b+2b+3c=14 => b+3c=11 => b=11-3c
33-9c+4c=18 => -5c=-15 => c=5
Ne intoarcem in ecuatii si rezolvam
b=11-15=-4
a=3-(-4)=7
Raspuns final: a=7, b=-4, c=5.
Mult succes!