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Hunter-Best [27]
3 years ago
8

7=40/z-1 z= what dose the z equal?

Mathematics
2 answers:
monitta3 years ago
8 0

Answer:

z =  \frac{47}{7} = 6 \frac{5}{7}

Step-by-step explanation:

7 =  \frac{40}{z - 1}  \\ 7(z - 1) = 40 \\ 7z - 7 = 40 \\ 7z = 40 + 7 \\ 7z = 47 \\

\boxed{\bold{Answer:{\boxed{\green{\bold{z =  \frac{47}{7} = 6 \frac{5}{7}}}}}}}

┈➤ . . ⇢ ˗ˏˋ⌦ ..♡ˎˊ˗ ꒰✈꒱   

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★ . ꜝꜞ ᳝ ࣪ hope that helped!  ʬʬ

pickupchik [31]3 years ago
8 0

Answer:

z = 5

Step-by-step explanation:

7=40/z-1

- Add 1 to both sides.

8 = 40/z

- Multiply z to both sides.

8(z) = 40/z (z)

8z = 40

z = 5

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