Answer:
A. 11
Step-by-step explanation:
Since the angles are vertical angles (share a vertex) they are equal in measure.
160 = 10x + 50
subtract 50 from both sides
110 = 10x
divide both sides by 10
x = 11
Answer:
ok i answer
Step-by-step explanation:
yes
http://www.mathopenref.com/coordintro.html
http://www.cpalms.org/Public/PreviewResourceAssessment/Preview/70464
SOLUTIONS
Solve a given equations or algebraic symbols?

(A)

(B)

(C)

(D)