Iamnotbobby9424 Iamnotbobby9424

20-02-2019
Mathematics

contestada

restriction on a variable in a denominator: linear
w-2 / w+7
w = ?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

20-02-2019

Answer:

w≠-7

Step-by-step explanation:

w-2

---------

w+7

The denominator cannot be zero, so

w+7 cannot be zero

w+7≠0

Subtract 7 from each side

w+7-7 ≠0-7

w≠-7

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