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What value of x is line a parallel to line b?

What value of x is line a parallel to line b?-example-1
User Boid
by
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1 Answer

3 votes

Answer:

x=15

Explanation:

the angle 7x+12 and 63 are on opposite sides of complimentary, meaning they add to 180.

180-63 = 117

117-12 = 105

105/7 = 15

User Andrea Zonzin
by
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