9(9t - 4) > 12(12t - 3) Multiply 9 into (9t - 4), and multiply 12 into (12t - 3)
81t - 36 > 144t - 36 Subtract 81t on both sides
81t - 81t - 36 > 144t - 81t - 36
-36 > 63t - 36 Add 36 on both sides
-36 + 36 > 63t - 36 + 36
0 > 63t Divide 63 on both sides
0 > t
