pacelarry388 pacelarry388
  • 22-09-2018
  • Mathematics
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Find three consecutive even integers. Such that 4 times of first integer is 18 more than the sum of second and third integers

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fatimahf2003h12
fatimahf2003h12 fatimahf2003h12
  • 22-09-2018

integers:  

x

x + 2

x + 4

 

4x - (x + 4) = 2 (x + 2) + 6

3x - 4 = 2x + 4 + 6

3x - 4 = 2x + 10

x = 14

 

integers:  14, 16, 18

check answer:  4 (14) - 18 = 2 (16) + 6

                                  38 = 38

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