luuu luuu
  • 26-04-2014
  • Mathematics
Answered


Multiplying a number by 2 and then adding 5 gives the same number as subtracting a number from 23. What is the number?



Answer :

crisforp
crisforp crisforp
  • 26-04-2014
2 * x + 5 = 23 - x <=> 3 * x = 18 <=.> x = 6;
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