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borishaifa [10]
3 years ago
13

Help me please ASAP!!!!

Mathematics
1 answer:
Rina8888 [55]3 years ago
8 0

Answer:

x= 20                                                                                                                                                                                                                                                                                                                    

Step-by-step explanation:

Considering this is a strait line, when you add both of these angles, you should get 180. To check my work:

(3x+8)      plug in the 20 so it is 3(20)+8 =           68

(5x+12)    plug in the 20 so it is 5(20)+12=           112

Then you simply add 68 and 112 which gets you 180. Meaning, x=20

Hope this helped :)

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