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Masteriza [31]
3 years ago
12

Please help i will mark you brainliest

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
A. (7x-9)+3x+(x+2) = 180, x=17
b. D=19, E= 128, F= 51
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Step-by-step explanation:

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Hope this helps! :)

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