SOLUTION: one number is 3 more than the other. their sum is 7. what are the numbers?

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Question 1103439: one number is 3 more than the other. their sum is 7. what are the numbers?
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = "one number"
then x+3 is the other number
—
x+(x+3) = 7
Combine like-terms:
2x + 3 = 7
Subtract 3 from both sides:
2x = 4
Divide both sides by 2:
x = 2 ( —> x+3 = 5 )
—
Ans: The numbers are 2 and 5
—
Check:
5 = 2+3 (ok)
5+2 = 7 (ok)