Question

what is the solution ​

Answer 1

Answer:

z = 18. This will be the correct answer.

Answer 2

Answer:

z/2 - 3z/4 + 5z/6

LCM = 12

⇒ 6z - 9z + 10z/ 12 = 21

⇒ 7z/12 = 21

⇒ z  = 21 x 12 / 7

⇒ z = 36

Step-by-step explanation:

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