Math Chapter Wise Linear Programming Problems English MCQ DSSSB PGT 2021 Q.The number of basic solution to the system- 3x1 + 4x2 + 3x3 + 8x4 = 7 2x1 – 3x2 + 2x3 – 6x4 = 13 A12 B4 C9 D6 Show answer Correct answer: 6