Example of linear equation involving two variables is / » Mathematical Tools for Economics 1 solved MCQs / By admin Question: Example of linear equation involving two variables is A. 7x+3y+4z = 20 B. 6x+2y = 10 C. 8x = 2+10 D. 7a+8b+9c = 10+5 Answer» b. 6x+2y = 10 Note: The above multiple-choice question is for all general and Competitive Exams in India.