27stmahail 27stmahail 22-03-2021 Mathematics contestada 1) What is x - 5 = 7? 2) What is n + 3 = 18? 3) What is 9a = 45? 4) What is n fraction bar 3 = 18? 5) What is x + 10 = 35? 6) What is n - 13 = 9? 7) What is 6p = 78? 8) What is a fraction bar 7 = 3? 9) What is n - 16 = 28? 10) What is 12X = 60? 11) What is X + 32 = 40? 12) What is n fraction bar 5 = 19?