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Lines a and b are parallel what is the value of x
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32 votes
32 votes
Lines a and b are parallel what is the value of x

Lines a and b are parallel what is the value of x-example-1
User Unice
by
3.3k points

1 Answer

12 votes
12 votes

Answer:

a) 8

Explanation:

a // b and c is transversal

So, alternate exterior angles are congruent.

12x - 12 = 10x + 4

Add 12 to both side

12x = 10x + 4 + 12

12x = 10x + 16

Subtract 10x from both sides

12x - 10x = 16

2x = 16

Divide both sides by 2

x = 16/2

x = 8

User Antony Shumskikh
by
2.9k points
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