Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Linear Equation in 2 Variable
If 9x + 7y = 130, 2x – y = 11, then what will be the value of (x + y)?
1
15
2
14
3
21
4
More than one of the above
5
None of the above