Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Linear Equation in 2 Variable
The solution of pair of linear equations 3x - 5y = 4, 9x - 2y = 7 by the substitution method, is:
1
\(x=\dfrac{9}{13}, y=\dfrac{-5}{13}\)
2
\(x=\dfrac{9}{13}, y=\dfrac{5}{13}\)
3
\(x=\dfrac{-9}{13}, y=\dfrac{5}{13}\)
4
More than one of the above
5
None of the above