abbycorcoran
abbycorcoran abbycorcoran
  • 17-08-2016
  • Mathematics
contestada

Ten times the sum of half a number and 6 is 8

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dalendrk
dalendrk dalendrk
  • 17-08-2016
n - the number

10 × (1/2 n + 6) = 8

solution

5n + 60 = 8    |subtract 60 from both sides

5n = -52    |divide both sides by 5

n = -10.4
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