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(7)/(x)+(8)/(y)=2,(2)/(x)+(12)/(y)=20...

(7)/(x)+(8)/(y)=2,(2)/(x)+(12)/(y)=20

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Solve by cross-multiplication method. (i) 8x-3y=12,5x=2y +7 (ii) 6x+ 7y -11 =0, 5x+ 2y =13 (iii) (2)/(x)+(3)/(y) =5, (3)/(x) -(1)/(y) +9=0

Solve (7)/(x) + (8)/(y) = 2 and (2)/(x) + (12)/(y) = 20 .

Solve (7)/(x) + (8)/(y) = 2 and (2)/(x) + (12)/(y) = 20 .

Solve the following simultaneous equations : 16/(x+y)+2/(x-y)=1, 8/(x+y) - 12/(x-y)=7

Solve (20)/(x + y) + (3)/(x - y) = 7 and (8)/(x - y)- (15)/(x + y) = 5 .

Solve (20)/(x + y) + (3)/(x - y) = 7 and (8)/(x - y)- (15)/(x + y) = 5 .

{:((x)/(2) + y = 0.8),((7)/(x + (y)/(2)) = 10):}

{:((x)/(2) + y = 0.8),((7)/(x + (y)/(2)) = 10):}

If x=2 and y=4, then ((x)/(y))^(x-y)+((y)/(x))^(y-x)=4(b)8(c)12(d)2