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12. If I || m, find the value of x.

(9x - 4)+3 (5x + 16)
I know that X=12
But I need help showing my work

12. If I || m, find the value of x. (9x - 4)+3 (5x + 16) I know that X=12 But I need-example-1

1 Answer

2 votes

Answer:

x = 12

Explanation:

(9x - 4)° + ( 5x + 16 )° = 180°

9x + 5x - 4 + 16 = 180

14x + 12 = 180

14x = 180 - 12

14x = 168

x = 12

User Nikunj Kabariya
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