Answer:
[tex]x = 4.[/tex]
Step-by-step explanation:
[tex]m \angle \:g = 180 - 104 = 76 \: (angles \: on \: a \: straight \: line) \\( 11x + 2) + (15x - 2) + 76 = 180 \: (angles \: on \: a \: straight \: line) \\ 26x = 180 - 76 \\ 26x = 104 \\ x = \frac{104}{26} \\ x = 4.[/tex]
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