Your final answer would be 73, because you would have to plug in 5 for Y.
∠KJI≅ZJX is the additional information.
What are the AAS congruency criteria?
⇒ AAS stands for Angle-Angle-Side. When two angles and a non-included side of a triangle are equal to the corresponding angles and sides of another triangle, then the triangles are said to be congruent
We have been given that
⇒ kJ=ZJ
⇒∠KJI=∠ZJX (vertically opposite angle)
And we require one more angle which can't be on the non-included side
so we have only one angle that can satisfy this
⇒∠JIK=∠JXZ
⇒ Now we can say that △KJI ≅ △ZJX is congruent with AAS congruency criteria
Learn more about the AAS congruency here:
brainly.com/question/3168048
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A is c and a because it's on the left of 0.
B is b and d because it's on the right of 0.
Can you take a picture of it
(f+g)(x)=f(x)+g(x)
=3x-2+2x+1
=5x-1