find the value of a if (-1,1) is a solution of 5x-ay=7
Answers
Answered by
5
Answer:
-5-a=7
-a=7+5
a= -12
hope it helpssssss
Answered by
4
Answer:
a=-12
Step-by-step explanation:
5x-ay=7
5×(-1)-a×1=7
-5-a=7
-a=7+5
a=-12
please mark as the brainliest .
i have done hard work
Similar questions