4 years ago

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

Mathematics

1 answer:

Art [367]4 years ago

3 0

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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