Question 9.
Solve the following simultaneous equation.
49x – 57y = 172; 57x – 49y = 252
Answer:
Adding both the Equations
Dividing both sides by 106
…(III)
Subtract equation (I) and (II)
Divide both sides by (–8)
…(IV)
Equating Eq. (III) and (IV)
Substituting x=7 in Eq. IV
∴ solution is (x, y) = (7,3)
MATHS I SSC NEW SYLLABUS
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Chapter No. 2. Quadratic Equation
Chapter No. 3: Arithmetic Progression
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CHAPTER NO. 5. PROBABILITY
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