Answer:
52°
Step-by-step explanation:
[tex]6x - 8= 4x + 12 \\ (exterior \: alternate \: \angle s) \\ \\ 6x - 4x = 12 + 8 \\ \\ 2x = 20 \\ \\ x = \frac{20}{2} \\ \\ x = 10 \\ \\ 4x + 12 = 4 \times 10 + 12 \\ \\4x + 12 = 40 + 12 \\ \\ 4x + 12 = 52 \degree[/tex]
