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Sveta_85 [38]
4 years ago
9

Double the sum of 13 and a number

Mathematics
1 answer:
Alla [95]4 years ago
6 0
The answer is: 2(13+x)
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Can anyone please help me with this???
ira [324]

Answer:

x=8a

Step-by-step explanation:

(3/a) x - 4 = 20

add 4 to both sides

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Divide by 3/a

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There are no other like terms.

18x^4 - 5x^3 + x^2 - 4

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Step-by-step explanation:

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Answer:

let the third proportion be x.

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Step-by-step explanation:

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