Answer:
∠DKH and ∠ENH
Step-by-step explanation:
∠DKH and ∠ENH
Answer: a = 2,84
Step-by-step explanation:
34(4a + 12) = 21 a =
136a + 408 = 21
136a = -408 + 21
136a = - 387
a = <u>- 387 </u>
136
a = - 2,84
Answer:

Step-by-step explanation:
Factor 



<em>good luck, hope this helps :)</em>
In order to solve you get x by itself:
5-x=12
-5 -5
-x=7
divide by negative 1