Mathematics: Can anybody help me answer this ASAP thank you

Can anybody help me answer this ASAP thank you

Ответ:

Teddybearnerd

19.01.2022

Mathematics

Step-by-step explanation:

a) x = - 4 makes the denominator zero.

denominator = x + 4 = - 4+4= 0

$\frac{3}{x + 4} + 2 = \frac{13}{x + 4} \\ \\ \therefore \: \frac{3+ 2x + 8}{x + 4 } = \frac{13}{x + 4} \\ \\ \therefore \: 2x + 11 = 13 \\ \\ \therefore \: 2x = 13 - 11 \\ \\ \therefore \: 2x = 2 \\ \\ \therefore \: x = \frac{2}{2} \\ \\ \therefore \: x = 1 \\ \therefore \: solution \: set = \{1 \} \\$

Thus option A is correct answer.

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Ответ:

stephanieboyd

07.08.2021

Mathematics

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Step-by-step explanation:

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Can anybody help me answer this ASAP thank you

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