Choose the Correct Alternative Answers for the Following Questions. - Algebra
Choose the correct alternative answers for the following questions.
If 3x + 5y = 9 and 5x + 3y= 7 then What is the value of x + y ?
3x + 5y = 9 .....(I)
5x + 3y= 7 .....(II)
Adding (I) and (II) we have
8x + 8y = 16
⇒ x + y = 2
Hence, the correct answer is option (A).
Concept: General Form of Linear Equation in Two Variables
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