Answer:
x = -19
Step-by-step explanation:
-10x - 19 = 19 - 8x
-10x + 8x = 19 + 19
-2x = 38
x = -19
we have

This is a mixed number
we know that
A mixed number is a combination of a whole number and a fraction.
So
is equal to

where
is the whole number
is the fraction

therefore
the answer is

Answer:
3x - 1
Step-by-step explanation:
Note that you are adding the parenthesis together. In this case, you can disregard the parenthesis. Combine like terms (terms with the same amount of variables):
2x + 1x - 3 + 2
(2x + 1x) + (-3 + 2)
3x + (-1)
3x - 1
3x - 1 is your answer.
~
Answer:
C. 
Step-by-step explanation:
BD = DC because angles ADC and ADB are right angles.
Thus, 
Add 5 to both sides:


Subtract 2x from both sides:


Divide both sides by 2:


DC 



I think the answer would be 9-2i