21.325 is the correct answer
Answer:

Given:

To find:

Step-by-step explanation:

<span>LJK = KJM
-10x +3 = -x + 21
-10x + x = 21 - 3
-9x = 18
x = -2
KJM = -x + 21 = 2 + 21 = 23
LJM = LJK + KJM
LJM = 23 + 23
LJM = 46º..
i think thats how its done </span>
Answer:
6a
Step-by-step explanation:
A coefficient is the number hooked to the variable therefore the term 6a is your coefficient
6+z=10x-2
6+z=-20
Z=-20-6
Z=-26
Hope this helps!