Question

(ii) 13 (z – 4) – 3 (z – 9) - 5 (z + 4) = 0
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Answer 1

Answer:

13(z-4)-3(z-9)-5(z+4)=0

13z-52-3z+27-5z-20-0

13z-8z-52+27-20=0

5z-72 27=0

5z-45-0

5z=45

z=45+5

z=9

Answer 2

Answer:

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Step-by-step explanation:

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