Answer:
3x+85= 21
or, 3x= 85- 21
or, 3x= 64
or,x= 64/3
;. x= 21.3
Step-by-step explanation:
the value of x is 21.3
Answer:
119 is the answer
Step-by-step explanation:
use sum of angles on a straight line
Answer and work down below. Let me know if you have any questions
Answer: 207
Step-by-step explanation:
Hello, please consider the following.

For the second we will need to put on the same denominator.

Thank you.