ghost95
ghost95 ghost95
  • 24-10-2019
  • Mathematics
contestada

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

What value of x is line a parallel to line b class=

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stavyk012
stavyk012 stavyk012
  • 26-10-2019

Answer:

x=15

Step-by-step 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

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