Asked by Kendra
The sum of two numbers is 68 and the difference is 10. What are the numbers?
Answers
Answered by
PsyDAG
x + y = 68
x - y = 10
Add the two equations.
2x = 78
Insert the value of x into the first equation and solve for y. Check by inserting both values into the second equation.
x - y = 10
Add the two equations.
2x = 78
Insert the value of x into the first equation and solve for y. Check by inserting both values into the second equation.
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