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To evaluate the expression cd - d + 2e + 10, we substitute the given values of c, d, and e.
cd - d + 2e + 10 = (5)(3) - 3 + 2(9) + 10
= 15 - 3 + 18 + 10
= 30
Therefore, when c = 5, d = 3, and e = 9, the expression evaluates to 30.