3x 5y 4 2y 7 July 8, 2019 16 32 64 128 3x 5y 4 2y 7 9x 3x 5y 4 2y 7 9x by substitution method 3x 5y 4 09x 2y 7 3x 5y 4 0 9x 2y 7 by elimination method 3x 5y 4 0 and 9x 2y 7 vilopan vidhi 3x 5y 4 0 and 9x 2y 7 by elimination method in hindi 3x 5y 4 0 and 9x 2y 7 pratisthapan vidhi 3x 5y 4 0 and 9x 2y 7 by elimination method answer
