find the value of a if (-1,1) is a solution of 5x-ay=7
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3
5x-ay=7
5×(-1)-a×1=7
-5-a=7
-a=7+5
a=-12
Answered by
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- find the value of a if (-1,1) is a solution of 5x-ay=7
- The value of a is -12.
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