Evaluate 3 + 11t - 9u when t = 9 and u = 11
To evaluate 3 + 11t - 9u when t = 9 and u = 11, substitute the values of t and u into the expression:
3 + 11(9) - 9(11)
Simplifying the expression:
3 + 99 - 99
Combining like terms:
3
Thus, when t = 9 and u = 11, the value of 3 + 11t - 9u is 3.