I don't get 7/8n-3=5/8n+12??
Hey there, subtract 5/8n from both sides, 7/8n-3-5/8n+12-5/8n=1/4n-3=12, add 3 to both sides, 1/4n-3+3=12+3=1/4n=15, multiply both sides by 4, 41/4n=415, 4*15=60. So, n=60
7/8n - 3 = 5/8n + 12(7n)/8 - 3 = (5n)/8 + 127n - 24 = 5n + 967n = 5n + 96 + 247n = 5n + 1207n - 5n = 1202n = 120n = 120/2n = 60The answer is: n = 60