Question

Ex 5, varog ajutor (10 Puncte)

Answer 1

Răspuns:

Sper că te-am putut ajuta cu mare drag

Answer 2

$\it a)\ \ 2x-4,7=8,55 \Rightarrow x = \dfrac{8,55+4,7}{2} =\dfrac{13,25}{2} =6,625\\ \\ \\ b) 3y+19,6=84,8 \Rightarrow y=\dfrac{84,8-19,6}{3}=\dfrac{65,2}{3} =21,7(3)$