find the value a so that x=1 and y=1 is a solution of 9ax +12ay =63
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Answered by
9
Answer:
Put x=1 and y=1 , we get--
9ax+12ay=63
9*a*1+12*a*1=63
9a+12a=63
21a=63
a=63/21=3
Answered by
2
Answer:
x=1 y=1 then
9a+12a=63
21a=63
a=3
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