x = 3 and y = -2 is a solution of the equation kx – 3y = 12, then the value of k is: (a) 0 (b) 2 (c) 12 (d) 3
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Answered by
4
Answer:
kx-3y =12
= (k×3) - 3×(-2)
=3k - (-6)
=3k +6
= k= 6-3
=k = 3
therefore the value of k is (d) 3
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Answered by
2
Answer:
k×3-3×(-2)=12
3k+6=12
3k=12-6
3k=6
k=6/3
k=2
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