Question

solve for x and y :
3x +2y =7 x+2y=9​

Answer 1

$Putting \: x= \frac{1}{2} \: in \: eq.(i) \: we \: get$

$= > \frac{3}{2} + 2y = 7 \\ = > 2y = 7 - \frac{3}{2} \\ = > 2y = \frac{14 - 3}{2} \\ \\ = > 2y = \frac{11}{2} \\ \\ = > y = \frac{11}{2} \times 2 = 11$