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serg [7]
3 years ago
9

Can anyone help with these two questions

Mathematics
1 answer:
Gala2k [10]3 years ago
6 0

Answer:

8)

9x+6=60 (Alternate angles)

9x=54

x=6

9)

13x-6=12x+1 (Vertically opposite angles 3 times)

13x=12x+7

x=7

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1 substitute p=5, q=7, r = -2
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1.

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2.

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