selenabolton selenabolton
  • 24-09-2020
  • Mathematics
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I need help with #21

I need help with 21 class=
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lacourc
lacourc lacourc
  • 24-09-2020

Answer: x=9

Step-by-step explanation:

(5x+7)

5 x 9 = 45

45 + 7 = 52

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