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ki77a [65]
2 years ago
8

Urgent someone please help! 20 points​

Mathematics
2 answers:
melamori03 [73]2 years ago
7 0
8x-10=3x+90. 8x-3x=90-10. 5x=80. x=16. So angle B is 3*16+90=138° :)
dexar [7]2 years ago
4 0

Answer:

x= 20

<B= 150 degrees

Step-by-step explanation:

<A= 8x -10

<B= 3x +90

Since there are two parallel lines, if a transversal went through them, alternating angles are equal to each other. So <A= <B

8x -10= 3x +90

5x= 100

x= 20

<B= 3x +90

<B= 3(20) +90

<B= 60 +90

<B= 150 deg

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Answer:

The value of x=-4. The figure is also attached below.

Step-by-step explanation:

Considering the expression

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Keywords: equation

Learn more about equation solution from brainly.com/question/13678520

#learnwithBrainly

5 0
3 years ago
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