math

if the product of (2+3),(3+4), and (4+5) is equal to three times the sum of 40 and x, then x=what?

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asked by sharon
  1. 3(40+x) = (2+3)(3+4)(4+5)
    120 + 3x = 5(7)(9) = 315
    3x = 195
    x = 65

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    posted by Reiny

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