3 years ago

What is the quotient of a-3 over 7 divided by 3-a over 21

Mathematics

1 answer:

stepan [7]3 years ago

3 0

Answer:

=−3

Step-by-step explanation:

=17a+−37−121a+17

=21(a−3)7(−a+3)

=−3

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Step-by-step explanation:

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