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franciscofrias98 franciscofrias98
  • 30-09-2016
  • Mathematics
Answered

Three multiplied by the sum of 4 and a number is the same as 18 more than the number. Find the number.


If n is "the number," which equation could be used to solve for the number?

A3n + 4 = n + 18

b.4(3 + n) = n + 18


c.3(4 + n) = n + 18

Verified Answer :

Anonymous Anonymous
  • 30-09-2016

a.3(4 + n) =n + 18

On solving;
12+3n=n+18
3n-n=18-12
3n=6
n=2

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