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Ber [7]
3 years ago
8

Find the value of x that makes A || B.

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:

x = 20

Step-by-step explanation:

3x - 10 = x + 30

2x = 40

x = 20

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the red lines mean the two sides are equal

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tatiyna

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