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RoseWind [281]
3 years ago
15

QUICK PLS HELP

Mathematics
1 answer:
Lilit [14]3 years ago
5 0

Answer:

Step-by-step explanation:

60% = 7.2/12

83% = 10/12

He improved by a supposed 23%

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| 3 x - 2 | = 4x + 4
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Answer: -2/7

|3x - 2| - 4x = 4

1) (3х - 2) - 4х = 4, if 3x - 2 >= 0

2) -(3x - 2) - 4x = 4, if 3x - 2 < 0

1)

3х - 4х = 4 + 2

-x = 6

x = -6

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2)

-3х + 2 - 4х = 4

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x = -2/7

3x-2<0

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3(-2/7)<2-right

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