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18 September, 12:30

Which value for x makes the open sentence true?

5 + 4 • x = 3^2 + x^2

A.

4

B.

2

C.

3

D.

5

+5
Answers (2)
  1. 18 September, 12:44
    0
    When x = 2

    5 + 4 • 2 = 3^2 + 2^2

    5 + 8 = 9 + 4

    13 = 13

    so answer is B. 2
  2. 18 September, 12:46
    0
    The answer would be x=2.
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