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zzz [600]
3 years ago
15

Please help. I've been working on this problem for more than 2 hours. Thank you.

Mathematics
1 answer:
I am Lyosha [343]3 years ago
6 0

Answer:

20° and 70°

Step-by-step explanation:

(4x-10)+(2x-20)=90

6x-30=90

6x=90+30

6x=120

x=20

2(20)-20=20

4(20)-10=70

20+70=90

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