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7 February, 07:50

Want is the solution?

21 = 42 - 3r

A. r = - 8

B. r = - 7

C. r = 7

D. r = 8

+4
Answers (2)
  1. 7 February, 09:04
    0
    The Answer Is C I Think Might Be Wrong
  2. 7 February, 11:42
    0
    21 = 42 - 3r

    -21 = - 3r

    r = 7

    So C.
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