The answer for this equation is 68
-r=5×2
-r=10
r=-10
That's your answer.
Answer:

Step-by-step explanation:
Given
See attachment for triangle
Required
Find x
To solve for x, we make use of:
--- angles in a triangle

Collect like terms


Answer:
5) The statement is true (one side does equal the other)
6) m = -3
7) The statement is true (one side does equal the other)
8)
I hope this helps!