12 ) 3 x - y + 7 11 + 2 = 10 3 x + 14 y = 65 H e n c e f i n d t h e v a l u e o f x y Share with your friends Share 0 Shruti Tyagi answered this Dear student, We have,3x-y+711+2=0⇒33x-y-7+22=0⇒33x-y=-15 --(1)and 3x+14y=65 --(2)solving (1) and (2)33x-y=-15 ]×14462 x-14y=210 3x+14y=65 465x=275 ⇒x=275465 ⇒x=5593from (2)⇒ 3x+14y=65⇒3×5593+14y=65⇒5531+14y=65⇒14y=65-5531⇒y=2015-5514×31⇒y=196014×31⇒y=14031⇒y=140×331×3⇒y=42093Now, xy=559342093⇒xy=55420⇒xy=1184thus the value of xy is 1184 Regards 0 View Full Answer Poonam Koijam answered this Pls answer the 12 one 0