Choose the Correct Alternative Answers for the Following Questions. - Algebra

MCQ

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 ?

• 2

• 16

• 9

• 7

Solution

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
Is there an error in this question or solution?

APPEARS IN

Balbharati Mathematics 1 Algebra 9th Standard Maharashtra State Board
Chapter 5 Linear Equations in Two Variables
Problem Set 5 | Q 1.1 | Page 91