[tex]\displaystyle \\
\texttt{Notatie: } \\
x = \texttt{numarul de copii} \\ \\
\texttt{Rezolvare : } \\
\texttt{Fiecare copil a primit cate 2 caise. } \\
\Longrightarrow ~~ \texttt{Numarul de caise } = \boxed{2x ~caise} \\
\texttt{Fiecare strugure a fost impartit la 3 copii } \\
\displaystyle \\
\Longrightarrow ~~ \texttt{Numarul de struguri } = \boxed{\frac{x}{3}~struguri } [/tex]
[tex] \displaystyle \\
\texttt{Scriem ecuatia problemei: } \\ \\
2x + \frac{x}{3} = 35 ~~~~~~~ | \times 3 \\ \\
3\cdot 2x + \frac{3 \cdot x}{3} = 3 \cdot 35 \\ \\
6x +x = 105 \\
7x = 105 \\ \\
x = \frac{105}{7}= \boxed{\boxed{15 ~ copii }} [/tex]