## Algebra 1

$x + 3.5y = 7$ Let x =0: $0 + 3.5y = 7$ $3.5y= 7$ $3.5y/3.5 =7/3.5$ $y= 2$ Let y = 0: $x + 3.5*0 = 7$ $x + 0 = 7$ $x=7$