Answer:
Step-by-step explanation:
6
Two angles that share a common side add up the angle containing both parts.
7
Find <MKL (6x + 12)
3x + 6 + 6x + 12 = 54 Combine Like terms
9x + 18 =54 Subtract 18 from both sides
9x = 54 - 18 Combine the right
9x = 36 Divide by 9
x = 36/9
x = 4
6x + 12 = 6*4 + 12
<MKL = 36
