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Harrizon [31]
3 years ago
15

How do you get a in the equation -0.4a+3=7

Mathematics
1 answer:
hammer [34]3 years ago
5 0

Answer: a= -10

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

This is not a rational expression because denominator has a domain of which it can be undefined.

To rationalize multiply by the reciprocal of the denominator (1/6+1/x+1)

___<u>5___ </u>*(6)(x+1) --> _____<u>30(x+1)_____</u> --><u> 30x+1</u>_ --> <u>30x+1</u>

1/6+1/x+1   *(6)(x+1)--> 6(x+1)/6 + 6(x+1)/(x+1) --> (x+1)+6 --> x+7

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