## Algebra 1: Common Core (15th Edition)

$y=-0.5, x=0$
We solve the system of linear equations using substitution to obtain: $7x-2y=1$ $2y=x-1 = x=2y+1$ $7(2y+1)-2y=1 \\ 14y+7-2y=1\\ 12y=-6\\ y=-0.5\\$ $x=2y+1 \\ x=2(-0.5)+1 \\ x=-1+1 \\ x=0$