Question 4.

Solve the following simultaneous equation.

2x – 3y = 9; 2x + y = 13

Answer:

Change the sign of Eq. (II)

Substituting y = 1 in Eq. (II)

2x = 13 - 1

2x = 12

x = 6

∴ solution is (x, y) = (1,6)

MATHS I SSC NEW SYLLABUS

Chapter No. 1. Linear Equations in Two Variables

Chapter No. 2. Quadratic Equation

Chapter No. 3: Arithmetic Progression

Chapter 4: Financial Planning.

CHAPTER NO. 5. PROBABILITY

Chapter No. 6: STATISTICS

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