You flipped the inequality in the second line. There's a spurious +x on the RHS in the third formula on the third line but the answer is OK.Originally Posted byUKMUG

The system y > -2x+1 and y < 3x+5 has infinitely many solutions: if you draw a graph it's the collection of points between two parallel lines. Are you trying to solveallthe equations and inequalities at once?