Question

Find the measurement

Answer 1

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`6z + 7 = 8z - 9`

`8z - 9 = 6z + 7`

Add sides 9

`8z - 9 + 9 = 6z + 7 + 9`

`8z = 6z + 16`

Subtract sides 6z

`- 6z + 8z = - 6z + 6z + 16`

`2z = 16`

Divide sides by 2

`(2z)/(2) = (16)/(2) \\`

`z = 8`

Thus ;

`NP = 8z - 9`

`NP = 8(8) - 9`

`NP = 64 - 9`

`NP = 64 - 4 - 5`

`NP = 60 - 5`

`NP = 55`

Done...

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