Question

Daca a+b=-1 supra2 si b+c=2 supra 3 atunci aflati a+2b+c

Answer 1

$a+2b+c=(a+b)+(b+c)=- \frac{1}{2}+ \frac{2}{3}= -\frac{3}{6}+ \frac{4}{6}= \frac{1}{6}.$

Answer 2

Uite..sper ca te-am ajutat