Respuesta :

SyntaxError
Sure thing!

[tex]-3x-4y=-8\\ 3x+3y=9\\ ----------\\ 0x-1y=1\\ y=-1\\ [/tex]

since y = -1 we can just plug it into the first equation
[tex]-3x-4(-1)=-8\\ -3x+4=-8\\ -3x=-12\\ x=4[/tex]

Otras preguntas