Can someone help please~~!?
12x + 12 + 15 + 3x + 18 = 18015x + 45 = 18015x = 180 - 4515x = 135x = 135/15x = 9 m < A = 12x + 12 = 12(9) + 12 = 108 + 12 = 120....A is 120m < C = 3x + 18 = 3(9) + 18 = 27 + 18 = 45....C is 45