SOLUTION: A sum of 3 numbers is 137. The second number is 4 more than 2 times the first number. The third number is 5 less than 3 times the first number. Find the 3 numbers
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Question 348374: A sum of 3 numbers is 137. The second number is 4 more than 2 times the first number. The third number is 5 less than 3 times the first number. Find the 3 numbers
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
LET X BE THE FIRST NUMBER.
2X+4 IS THE SECOND NUMBER.
3X-5 IS THE THIRD NUMBER.
X+(2X+4)+(3X-5)=137
6X-1=137
6X=137+1
6X=138
X=138/6
X=23 ANS. FOR THE FIRST NUMBER.
2*23+4=46+4=50 ANS. FOR THE SECOND NUMBER.
3*23-5=69-5=64 ANS. FOR THE THIRD NUMBER.
PROOF:
23+50=64=137
137=137
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