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Answer:

12. x =7

13. x=9

Step-by-step explanation:

above explanation is correct

ANSWER

12. x = 7

13. x = 9

Step-by-step explanation:

12) 11x - 2 = 75 { therefore they are corresponding angles }

11x = 75 +2

11x = 77

x = 77/11

x = 7

13) -1+14x = 12x+17

=> 14x-12x = 17+1

=> 2x = 18

=> x = 18/2

=> x = 9

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