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For what value of x is line a parallel to line b

For what value of x is line a parallel to line b-example-1
User Dragony
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2 Answers

4 votes

Answer:

Explanation:

User Nohemi
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5 votes

Answer:

x = 30

Explanation:

In order for the lines to be parallel,

2x + 20 = 80

2x = 60

x = 30

User Yupik
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