am nevoie de ajutor si la asta

[tex]\left \{ {{3x+5y=8} \atop {2x+6y=8}} \right \Leftrightarrow \left \{ {{x+8-6y+5y=8 } \atop {2x=8-6y}} \right. \Leftrightarrow \left \{ {{x-y=0} \atop {6x+2x=8}} \right. \Leftrightarrow \left \{ {{x=y} \atop {8x=8}} \right. \Leftrightarrow \bold{\left \{ {{x=1} \atop {y=1}} \right}[/tex]