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14 June, 02:58

For each value of x, determine whether it is a solution to 21 = 3x + 9. Is it a solution?

Yes

No

-8.

+5
Answers (1)
  1. 14 June, 05:35
    0
    No

    Step-by-step explanation:

    If you plug in a - 8 into 21=3x+9 you get

    21 = - 15 which is not true
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