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

You have the equations x+2y=23 and 5x+10y=55. Multiply the first equation by - 5: -5(x+2y=33)=-5x-10y=-115.Solve the equations using elimination: -5x-10y=-155 5x+10y=55 -add the equations- =0$\ne$-60 The solutions are not true so this is a no solution.