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Evaluate the expression 15u - 9v + 13 for u=3 and v=3.

Mathematics

ScanSolve AI Answer

Answer

31\textbf{31}

Step-by-step solution

3 steps

  1. Substitute u=3u=3 and v=3v=3 into the expression.

    15(3)−9(3)+1315(3) - 9(3) + 13

  2. Perform the multiplications.

    45−27+1345 - 27 + 13

  3. Perform the subtractions and additions from left to right.

    (45−27)+13=18+13(45 - 27) + 13 = 18 + 13 18+13=3118 + 13 = 31

    The value of the expression is:

    31\textbf{31}
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