find the value of k which has unique solution 3x+5y =12 and 4x-7y=k
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Answered by
4
Answer:
Step-by-step explanation:
for unique sol.,
a1/a2≠b1/b2=c1/c2
5/-7=12/k
k=-84/5 or -16.8
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brainlyjagrati:
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to the person how gave correct answer na
Answered by
5
this answer is right
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sorry the real brainlist is you
it cannot be possible since a is not equal to b which is equal to c. therefore, a is not equal to c. Logic use kar
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