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evaluate $3+11t -9u$ when $t=9$ and $u=11$

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Evaluate expression when two complex numbers are given

Full solution

Q. evaluate

3+11t -9u

when

t=9

and

u=11

Given Expression and Values: We are given the expression $3+11t -9u$ and the values $t=9$ and $u=11$ . We need to substitute these values into the expression and simplify.
Substitute $t=9$ : Substitute $t=9$ into the expression. $3+11(9) -9u$
Perform Multiplication: Perform the multiplication $11$ times $9$ . $3+99 -9u$
Substitute $u=11$ : Substitute $u=11$ into the expression. $3+99 -9(11)$
Combine Like Terms: Perform the multiplication $9 \times 11$ . $3+99 -99$
Calculate Sum: Simplify the expression by combining like terms. $3+99 -99 = 3 + (99 - 99)$
Final Simplification: Calculate the sum within the parentheses. $3 + 0$
Final Simplification: Calculate the sum within the parentheses. $3 + 0$ Simplify the expression to find the final value. $3 + 0 = 3$

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