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STatiana [176]
3 years ago
9

Help please, i will give brainless to who helps me out

Mathematics
2 answers:
yawa3891 [41]3 years ago
7 0
9. x = 30

10. x = 2

11. x = 4

12. x = 2

13. x = -1
Nitella [24]3 years ago
6 0

9. Answer:

30

10. Answer:

2

11. Answer:

4

12. Answer:

4

13. Answer:

-1

<em><u>Tip:</u></em>

Use photomath, its an app

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Is -2/3(12b - 6 + 9b - 18) equivalent to 2b(b + 8)? Show your work.
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Answer:

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Step-by-step explanation:

\frac{-2}{3}(12b - 6 + 9b - 18) = \frac{-2}{3}(12b + 9b - 6 - 18)\\\\=\frac{-2}{3}(21b - 24)\\\\  = \frac{-2}{3}*21b -24*\frac{-2}{3}\\\\= -2*7b + 8*2\\\\= 2( -7b + 8)

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Read 2 more answers
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