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18-09-2020
Mathematics

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rwaabbasi rwaabbasi

18-09-2020

Answer:

y=27.75

x=13.5

Step-by-step explanation:

(5x-17)+(3x-11)=180 (supplementary angle rule)

8x-28=180

8x=180+28

x=108/8

x=13.5

(3x-11)+90+(2y+5)=180 (supplementary angle rule)

29.5+90+2y+5=180 (replace x by 13.5)

2y=55.5

y=55.5/2

y=27.75

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