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Karly22 Karly22
  • 19-08-2016
  • Mathematics
Answered

Which equation is equivalent to 3[x + 3(4x – 5)] = 15x – 24?

Verified Answer :

dalendrk
dalendrk dalendrk
  • 27-08-2016

3[x + 3(4x - 5)] = 15x - 24
3(x + 12x - 15) = 15x - 24
3(13x - 15) = 15x - 24
39x - 45 = 15x - 24    |add 45 to both sides
39x = 15x + 21      |subtract 15x from both sides
24x = 21      |divide both sides by 24
x = 21/24
x = 7/8

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