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3. Pair of Linear Equations in Two Variables
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Q9 of 266 Page 3

Solve the following systems of equations:


⇒ 2x + y = 8 …(i)


⇒ x + 6y = 15 …(ii)


Multiplying eq2 by 2 and subtracting from eq1


⇒ 2x + y - 2x -12y = 8 – 30


⇒ -11y = -22


⇒ y = 2


Thus, 2x + 2 = 8


⇒ x = 3


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Questions · 266
3. Pair of Linear Equations in Two Variables
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