Two mark exercise problems I — task. Mathematics State Board, Class 9.

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Solve by substitution method.

(i)

$2x - 3y = 7$ ;

$5x + y = 9$

Answer:

$x =$

$y =$

(ii)

$1.5x + 0.1y = 6.2$ ;

$3x - 0.4y = 11.2$

Answer:

$x =$

$y =$

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