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3. Pair of Linear Equations in Two Variables
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Q3 of 266 Page 3

Solve the following systems of equations:




Multiplying eq1 by 0.2 and eq2 by 0.3 and adding


⇒ 0.08x + 0.06y + 0.21x – 0.06y = 0.34 + 0.24


⇒ 0.29x = 0.58


⇒ x = 2


Substituting value of x in eq1, 0.8x + 0.3y = 1.7


⇒ y = 3


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