SOLUTION: the sum of three numbers is 137. the second number is four more than two times the first number. The third number is five less than three times the first number. Find the number.

Question 242108: the sum of three numbers is 137. the second number is four more than two times the first number. The third number is five less than three times the first number. Find the number.

Answer by College Student(505) (Show Source): You can put this solution on YOUR website!
Let the first number = x
Thus, the second number is = 2x+4
And, the third number is = 3x-5
Their sum is 137.
.
So, our equation then becomes:

Now solve for x to determine its value. I'll let you do the algebra.
.
Remember to check your answer by pluggin the x value in the equation. Both sides must equal to each other in order for the answer to be valid.
.
Done! :)
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