Ok, i really don't remember this, so i don't want to steer you wrong. maybe wait for another answer?
Answer:
The answer is 106
Step-by-step explanation:
angle B is equal to angle D
so do 91 + 15= 106
and the math at angle D is x - 15
hope this helps! :D
Answer:

Step-by-step explanation:
<u>Step 1: Subtract 21 from both sides</u>



<u>Step 2: Divide 8 from both sides</u>



Answer: 
You haven't shared "the given value of x," or, if you have, you haven't drawn attention to it.
Just suppose we were to choose x = 4 as a possible solution and then try to find a value of the parameter k that would make x = 4 an actual solution.
2(4) + 4k - 9 = (4)(4) - (4) + 1
Then 8 + 4k - 9 = 16 - 4 + 1, or 4k - 1 = 13. Then 4k = 14, and k = 14/4, or (after reduction) k = 7/2
If the parameter k equals 7/2, then x = 4 is a solution to the given equation.
To check this out further, start with the proposed solution x = 5 and find k.
No, on a number line, 1 would be the smallest, then 1.25 then 1.5 and then 1.6 and then 2.