If the equations 2 x + 3 y = 5 and k x – 6 y = 8 have a unique solution, then value k is
not equal to –3
not equal to –5
not equal to –4
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2
Answer:
-4
Step-by-step explanation:
FORMULA = a1/a2 = b1 /b2
2/3 = k/ -6
3k = -6 × 2
3k = -12
k = -12/3
k = -4
THEREFORE the answer is -4.
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