If $$\(3 x-4 y+5 z=13\)$$ and $$\(4 x-5 y+6 z=18\)$$, then $$\(x-2 y+3 z=\)$$
A.
1
B.
3
C.
15
D.
28
Exam No：2020-2021 Math League First Round Grades 8-9 Year：2021 Question No：9
Answer:
B
Knowledge points:
G8-9 - Algebra - Systems of Linear Equations (Modeling)
Solution:
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