If $29 x + 37 y = 103 a n d 37 x + 29 y = 95$ then

(a) x=1,y=2 (b) x=2,y=1 (c) x=3,y=2 (d) x=2,y=3

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Solution

$29 x + 37 y = 103 - - - (1) 37 x + 29 y = 95 - - - (2) A d d (1) a n d (2) 66 x + 66 y = 198 66 (x + y) = 198 x + y = 3 - - - (3) S u b t r a c t (1) f r o m (2) - 8 x + 8 y = 8 8 (x - y) = - 8 x - y = - 1 - - - (4) A d d (3) a n d (4) 2 x = 2 x = 1 y = 3 - x = 3 - 1 = 2 x = 1 a n d y = 2$

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Q. If

29 x + 37 y = 103 and 37 x + 29 y = 95

then
(a) x = 1, y = 2 (b) x = 2, y = 1 (c) x = 3, y = 2 (d) x = 2, y = 3

Q. If

29 x + 37 y = 103

37 x + 29 y = 95

, then

If $\frac{3}{x + y} + \frac{2}{x - y} = 2 a n d \frac{9}{x + y} - \frac{4}{x - y} = 1$ then

(a) x= $\frac{1}{2}$ ,y= $\frac{3}{2}$ (b) x= $\frac{5}{2}$ ,y= $\frac{1}{2}$ (c)x= $\frac{3}{2}$ ,y= $\frac{1}{2}$ (d) x= $\frac{1}{2}$ ,y= $\frac{5}{2}$

If $y = 2^{\frac{1}{{log}_{x} 4}}$ . Then

Q. Solve: 37x +29y= 45; 29x + 37y = 21

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If 29x+37y=103 and 37x+29y=95 then (a) x=1,y=2 (b) x=2,y=1 (c) x=3,y=2 (d) x=2,y=3

29x+37y=103−−−(1)37x+29y=95−−−(2)Add (1) and (2)66x+66y=19866(x+y)=198x+y=3−−−(3)Subtract (1) from (2)−8x+8y=88(x−y)=−8x−y=−1−−−(4)Add (3) and (4)2x=2x=1y=3−x=3−1=2x=1 and y=2

If $29 x + 37 y = 103 a n d 37 x + 29 y = 95$ then

(a) x=1,y=2 (b) x=2,y=1 (c) x=3,y=2 (d) x=2,y=3

$29 x + 37 y = 103 - - - (1) 37 x + 29 y = 95 - - - (2) A d d (1) a n d (2) 66 x + 66 y = 198 66 (x + y) = 198 x + y = 3 - - - (3) S u b t r a c t (1) f r o m (2) - 8 x + 8 y = 8 8 (x - y) = - 8 x - y = - 1 - - - (4) A d d (3) a n d (4) 2 x = 2 x = 1 y = 3 - x = 3 - 1 = 2 x = 1 a n d y = 2$