Answer:
138
Step-by-step explanation:
x is an exterior angle of a triangle.
If you didn't know, an exterior angle of a triangle is equal to the sum of its opposite interior angles.
The opposite interior angles of x have measures of 80 degrees and 58 degrees.
Hence, x = 80 + 58 = 138
I’m not sure what the question is but I’m just gonna assume that you need the equation: y=1/2x+5
Answer:
9+k-17
Step-by-step explanation:
sum of 9 and k
9+k
minus 17
9+k-17