Daugherty5555
Daugherty5555 Daugherty5555
  • 16-02-2018
  • Mathematics
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Twice the difference of a number and 4 is equal to three times the sum of the number and 9. Find the number.

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mashpatatos
mashpatatos mashpatatos
  • 16-02-2018
Twice the difference of a number and four:  2(x - 4)three times the sum of the number and 2:  3(x + 2)  2(x - 4) = 3(x + 2)2x - 8 = 3x + 6-14 = x to confirm2[(-14) -4] = 2(-18) =-363 [(-14) +2] = 3 (-12) = -36
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