what is the value of m in the equation 1/2m - 3/4n = 18 when n=8

  ¹/₂m - ³/₄n = 18 ¹/₂m - ³/₄(8) = 18       ¹/₂m - 6 = 18              + 6   + 6             ¹/₂m = 24        2(¹/₂m) = 2(24)               m = 48        (m, n) = (48, 8)