Ответ:

x = 4

y = -6

Объяснение:

[tex]\left \{ {{2x-y=14} \atop {x-1,5y=13}} \right. |^{1}_{-2} \\\\\left \{ {{2x-y=14} \atop {-2x+3y=-26}} \right. |+\\\\2y=-12\\y=-12/2\\y=-6\\\\2x-(-6)=14\\2x+6=14\\2x=14-6\\2x=8\\x=8/2\\x=4[/tex]