SOLUTION: The sum of two numbers is 7. The greater numbers minus the lesser number is 9. Which system of linear equations can be used to find the two numbers

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Question 1116701: The sum of two numbers is 7. The greater numbers minus the lesser number is 9. Which system of linear equations can be used to find the two numbers
Found 2 solutions by ikleyn, josgarithmetic:
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
x + y = 7,    (1)
x - y = 9.    (2)


It is the system you are asking for.


x is the greater number, y is the lesser number.


To solve the system, add the two equations.


Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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The greater numbers minus the lesser number is 9.
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system%28x%2By=7%2C-x%2By=9%29

2y=16
y=8
-
x=-1


The numbers are -1, and 8.