Verified answer

Ответ:

x=5/4 = 1,25

y=3/40 = 0,075

Объяснение:

[tex]\left \{ {{10y-7x=-8} \atop {10y+x=2}} \right. |-\\ \\-8x=-10\\x=\frac{-10}{-8} \\x=\frac{5}{4} \\\\10y+x=2\\10y+\frac{5}{4} =2\\40y+5=8\\40y=8-5\\40y=3\\y=\frac{3}{40}[/tex]