mikematela2013 mikematela2013 31-03-2021 Mathematics contestada can someone help me with these 5 questions first one.1x + 1x + 8 second one. 4x + 9 + 7x third one. 15 + 8 - 9x fourth one. 7x - 8 - 6 last one. -5x + 2 - 8x + 9