Which set of coordinates satisfies the equations x − 2y = -1 and 2x + 3y = 12? a. (1, 2) b. (3, 1) c. (3, 2) d. (-3, -2) e. (3, -2) reset next end of semester test: florida m/j pre-algebra a

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.