If 7x-5y=13 and 2x-7y=26,then 9x-12y=?
A 13
B 26
C 39
D 40
Correct Answer: Option C
7x-5y = 13
2x-7y = 26
or 9x-12y = 39 ans.
Download our app for free and access thousands of MCQ questions with detailed solutions