jasonthegod01 jasonthegod01
  • 15-09-2021
  • Mathematics
contestada

Helllp 100 points if whole thing

Helllp 100 points if whole thing class=

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ang12321 ang12321
  • 15-09-2021
15. (10x-61)+(x+10)=180
11x-51=180
11x=231
x=21

(18y+5)+(21+10)=180
18y+36=180
18y=144
y=8



16. (5x-17)+(3x-11)=180
8x-28=180
8x=208
x=26

(2y+5)+(3×26-11)+90=180
2y+162=180
2y=18
y=9



17. (8x+12)÷2=78
4x+6=78
4x=72
x=18

(8×18+12)+(3y-9)=180
147+3y=180
3y=33
y=11

Hope my answer helped u :)
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Wolfwastaken
Wolfwastaken Wolfwastaken
  • 19-10-2021

Answer:

Good Luck!

Step-by-step explanation:

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