Question

for which values of p,does the pair of equations given below has unique solution 3x+pt+8=0 and 2x+6y+2=0
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Answer 1

Answer:

3x+pt+8=0, 2x+6y-x=0

therefore,

3x+pt+8=2x+6y+2

3x-2x+pt+8-2=6y

x+pt+8=6y

pt=6y-x-8

p=6y-x-8/t