Asked by somiya

for which values of a and b does the following pair of linear equation have an infinite number of solution ? 2x+3y=7 (a-b)x+(a+b)y=3a+b-2
Answered by Steve
a-b=2
a+b=3
so
a=5/2
b=1/2

that gives

2x+3y=6

WAK! No solutions, rather than an infinite number. Is there a typo somewhere?
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