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

$5=0.5x+3y\\ 10-x=6y = -x=6y-10 = x=10-6y\\ 5=0.5(10-6y)+3y\\ 5=5-3y+3y\\ 5=5$ This system has infinitely many solutions, for 5 will always equal 5.