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MasarahPoulo
MasarahPoulo MasarahPoulo
  • 09-09-2016
  • Mathematics
Answered

five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice the number. what is the number

Verified Answer :

hanvoldj
hanvoldj hanvoldj
  • 09-09-2016

5(x+3)=3(2x-1)
distribute
 5x+15=6x-3
-5x       -5x
 get like term together
15=x-3
+3   +3
**get x alone on one side of the equation

18=x
check your work by replacing the variable x with 18
5(18+3)=3(2·18 -1)
5·21=3·35
105=105  yes!
So, the number you are looking for is 18

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