SOLUTION: Can I also have help with this one...
solve for x and y for x-y=4 and x+y=4
I am having such a hard time solving the problem... please help
Algebra.Com
Question 64927: Can I also have help with this one...
solve for x and y for x-y=4 and x+y=4
I am having such a hard time solving the problem... please help
Answer by navytutor(7) (Show Source): You can put this solution on YOUR website!
First solve for any of the variables in any of the equations and then plug it in back in the other equation. x=4+y, then (4+y)+y=4 ---> 4+2y=4 2y=0 y=0, then x=4!!!
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