Answer:
x = 2, y = -5
Step-by-step explanation:
[tex]-7x + y = - 19 --> -21x + 3y = -57[/tex]
[tex]\left \{ {{-21x+3y=-57} \atop {-2x+3y=-19}} \right.[/tex]
subtract
[tex]-19x = -38\\x= 2[/tex]
substitute
[tex]-2*2 + 3y = -19\\-4 + 3y = -19\\3y = -15\\y = -5[/tex]
