Question

1. For what values of a and b does the following pair of equations have an infinite numbers of

solutions. 2x+3y=7, a(x+y)-b(x-y)=3a+b-2

Answer 1

a=2
b=3
put in eq 3a+b-2
3.2+3 -2
6+3 -2
9-2
7

Answer 2

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$<marquee direction="left">$Hope it helps^_^