SOLUTION: the sum of two numbers is 13. one number is 1 more than twice the other. find the smallest number.

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Question 190835: the sum of two numbers is 13. one number is 1 more than twice the other. find the smallest number.
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
let numbers be x and y
:
x+y=13.....eq 1
x=2y+1.....eq 2
:
that would make the small number y
:
take x's value from eq 2 and plug it into eq 1 and solve for y
:
2y+1+y=13
:
3y=12
:
y=4