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    Could someone please tell me where I went wrong on question C? When I plug x and y into equation 1 I get 19 but I don't get 27 for some reason when I plug x and y into equation 2?
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    (Original post by JackT2000)
    Could someone please tell me where I went wrong on question C? When I plug x and y into equation 1 I get
    Here is the question which I scanned in
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    You subtracted the Y terms the wrong way round.
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    (Original post by JackT2000)
    Here is the question which I scanned in
    Should be -2y=-8
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    you minus the second equation from the first which means for '19' and '27' you should do the same
    19-27=-8
 
 
 
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