Math, asked by reshmasri246, 1 year ago

find a so that x=-1 and y=-1 is a solution of linear equation 9ax+12ay=63

Answers

Answered by ParthLele

1

(x, y) =(-1,-1)

therefore,

9a(-1)+12a(-1)=63

therefore,

-9a-12a=63

therefore,

-21a=63

a=63/-21=-3.

reshmasri246: thank friend......

reshmasri246: *u

Answered by advsanjaychandak

3

Answer:

Step-by-step explanation:

Putting value of x and y we get,

-9a-12a=63

-21a=63

a=-3

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