lexie9127 lexie9127
  • 20-09-2018
  • Mathematics
contestada

If the difference of a number and four is tripled, the result is six less than the number

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viv1369 viv1369
  • 20-09-2018
3(x-4)=x-6
3x-12=x-6
2x=6
x=3
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