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Elena L [17]
4 years ago
9

Find the value of x for a to be parallel to b. Please help!!

Mathematics
1 answer:
olga nikolaevna [1]4 years ago
4 0

For lines a and b to be parallel, the sum of angle 1 and angle 2 must equal 180 degrees.


117 + 6x-12 = 180

Simplify the left side:

105 + 6x = 180

Subtract 105 from each side:

6x = 75

Divide both sides by 6:

x = 75/6

75/6 simplifies to 25/2


The answer would be B.

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