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22 July, 15:13

Solve 3^2x+3 = 243 for x.

A. x = 1

B. x = 10

C. x = 2

D. x = 2/5

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Answers (1)
  1. 22 July, 15:28
    0
    First get rid of the exponent: 6x + 3 = 243. then subtract 3 from both sides: 6x = 240. lastly divide both side by 6: x = 40. be sure to check your work by plugging it back in.
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