Anneross
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# Which expression is equivalent to the given expression? 13(x – 21)   A. 13x – 21   B. 13x – 34   C. 13x – 13 • 21   D. 13 – 21x

$13(x -21) =13x -13\cdot 21 \\ \\ Amswer : C. \ \ 13x -13 \cdot 21$