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Shkiper50 [21]
3 years ago
6

Some number is tripled and then cut in half.The result is increased by 5, and is equal to 20

Mathematics
1 answer:
Bad White [126]3 years ago
8 0
10 tripled equals 30 than 40 cut in half is 15 15+5=20 20=20
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Ludmilka [50]

Answer:

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Step-by-step explanation:

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We are going to try out two cases:

-(x+3)=4x-7                              and    x+3=4x-7

-x-3=4x-7                                               3=3x-7

 -3=5x-7                                               10=3x

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We are going to test out both because we could something that isn't actually a solution, this is called extraneous.

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