river7 river7
  • 06-10-2017
  • Mathematics
contestada

Seven times the difference of a number and nine is equal to three

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texaschic101
texaschic101 texaschic101
  • 06-10-2017
" the difference " means subtract

7(n - 9) = 3 <== ur equation
7n - 63 = 3
7n = 3 + 63
7n = 66
n = 66/7
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