Workbook EXERCISES 5 1. Solve the systems and sketch the graphs of the lines. 3x y 1 a) 3x 4y 14 5x 2y 15 b) 3x 2y 7 2x 3y 3 c) 10x 2y 32 2x 5y 7 d) 3x 10y 13 35 091math-wb-w6-(equations&inequalities-1)