## Introductory Algebra for College Students (7th Edition)

y=2x+3 Plug this value for y into the other equation. 2(x-1)-y=-3 2(x-1)-(2x+3)=-3 2x-2-2x-3=-3 2x-2x-2-3=-3 0-5=-3 -5$\ne$-3 Since this statement is false, there are no solutions to this system. Therefore the answer is an empty set.