SOLUTION: Evaulate the expression when x= -3/8 and y= 7/12. 28. y - x Any help with this equation would be <b>GREATLY</b> appreciated.

Question 111491: Evaulate the expression when x= -3/8 and y= 7/12.
28. y - x
Any help with this equation would be GREATLY appreciated.
Answer by brandonpark2889(31) (Show Source): You can put this solution on YOUR website!
Evaulate the expression when x= -3/8 and y= 7/12.
28. y - x
Any help with this equation would be GREATLY appreciated.

The problem is merely a substitution problem. You see, it says x = , right? and on #28, it says y - x. So you'll change that x into instead, and same with y which equals .

After substituting, the problem should be: - . i'm hoping you know full well that when two negative signs are together, then it changes to positive, which is: + . And after that, just add, which the answer is: .
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Good luck; math is more than just memorizing!
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