Find the values of a and b for which the following pair of linear equations has infinitely many solutions.
2x+y-5=0
(a+b)x + (5a-7b)y-20=0
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a =5, b =3
linear pair of equations that has infinitely many solutions is coincident lines .
that formula is a1/a2 =b1/b2 =c1/C2
if we substitute we can get answer I can do but I want to improve your skills bro
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