How do you solve the following system:  5x+y=-7 , 5x+3y=-1 ?

Jan 7, 2016

 x=-2 ; y=3
$5 x + y = - 7$ (1)
$5 x + 3 y = - 1$ (2)
2y = 6 or $y = 3$ Putting y =3 in Equation (1) We get $5 \cdot x = - 7 - 3$ or
$x = - 2$ :. x= -2 ; y=3  [Answer]