find the value of 'a' will the equations 2x+3y=13 and 3x+ay =18
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Answer:
(2x+3y=13)3
=> 6x+9y= 39 ----> s
(3x+ay=18)2
=> 6x+2ay = 36 ----->t
from s and t
(s-t)
9y-2ay = 3
y =3/9-2a
6x + 9(3/9-2a) = 39
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