Teenager296 Teenager296 23-03-2021 Mathematics contestada Q7: Subtract(a) -6x – 3 from 2x – 5,(b) 6x – y + 5z from 10x – 2y + z,(c) 8p + 99 – 5rs from 4p – 49 + 15sr,(d) 8a – 3b + 50 – 4d from 10a – b - 40 - 8d.