Solve your doubts and expand your knowledge with IDNLearn.com's extensive Q&A database. Our Q&A platform offers detailed and trustworthy answers to ensure you have the information you need.
Answer:
[tex]2x + y = 11 - - - (a) \\ 4x - y = 25 - - - (b) \\ (a) + (b) : \\ 6x + 0y = 36 \\ 6x = 36 \\ x = 6[/tex]