SOLUTION: Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice they number. What is t he number?

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Question 161450: Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice they number. What is t he number?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5(X+3)=3(2X-1)
5X+15=6X-3
5X-6X=-3-15
-X=-18
X=-18/-1
X=18 ANSWER.
PROOF:
5(18+3)=3(2*18-1)
5*21=3(36-1)
105=3*35
105=105