tyryyt2 tyryyt2 20-04-2020 Mathematics contestada PLEASE HELP I'VE POSTED HIS 3 TIMES 1. X - (-7) = 15 2. 2x - 9 = 10 3. X/7 + 12 = 20 4. 3x/8 = 12 5. 3y + 7 = 22