Verified answer

[tex]\left \{ {{3x-2y=15} \atop {4x+2y=6}} \right.[/tex]

7x=21

х=21:7

х=3

[tex]\left \{ {{x=3} \atop {3*3-2y=15}} \right.[/tex]

3*3-2y=15

9-2y=15

-2у=15-9

-2у=6

у=6:(-2)

у= -3

[tex]\left \{ {{x=3} \atop {y=-3}} \right.[/tex]

Ответ: ( 3 ; -3)