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Evaluate 3+11t−9u 3 + 11t - 9u when t=9 t = 9 and u=11 u = 11 .

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Full solution

Q. Evaluate 3+11t−9u 3 + 11t - 9u when t=9 t = 9 and u=11 u = 11 .
  1. Substitute Values: Substitute t=9t=9 and u=11u=11 into the expression 3+11t−9u3 + 11t - 9u.\newline3+11(9)−9(11)3 + 11(9) - 9(11)
  2. Calculate 1111 x 99: Calculate 11×911 \times 9.\newline11×9=9911 \times 9 = 99
  3. Calculate 99 x 1111: Calculate 9×119 \times 11.\newline9×11=999 \times 11 = 99
  4. Substitute Calculated Values: Substitute the calculated values back into the expression.\newline3+99−993 + 99 - 99
  5. Simplify Expression: Simplify the expression.\newline3+99−99=33 + 99 - 99 = 3

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