The Total solution for NCERT class 6-12
11x + 15y + 23 = 0=> 11x + 15y = -23 ……..(i)7x – 2y – 20 = 0 => 7x – 2y = 20 ……….(ii)Multiply (i) by 2 and (ii) 15, we get22x + 30y = -46105x – 30y = 300Adding we get127x = 254 => x = 254/127 =27 x 2 – 2y = 20 => 14 – 2y = 20-2y = 20 – 14 = 6y = -3