Answer:
x = 18
Step-by-step explanation:
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18
Solution;
<FLJ = 30
<LJM = <FLJ (Being alternate angle)
<LJM = 30
<LJG = 9x - 12
We know that,
<LJG + <LJM = 180 (Being angle on straight line)
or, 9x - 12 + 30 = 180
or, 9x + 18 = 180
or, 9x = 180 - 18
or, 9x = 162
or, x = 162/9
