Question

x/5 -y/3 =4/15 x/2-y/9 = 7/18 by elimination method

Answer 1

Answer:

sorry bro I tried but I dint got the answer

Answer 2

Answer:

x/5 -y/3 =4/15

taking lcm,

(3x-5y)/15 = 4/15

3x-5y=4............(i)

x/2-y/9 = 7/18

taking lcm,

(9x-2y)/18 = 7/18

9x-2y=7................(ii)

Multiplying (i) by 3,

9x-15y=12................(iii)

subtracting (ii) from (iii),

9x-15y-9x+2y=12-7

-13y=5

y= -5/13

putting value of y in (i),

3x-5y=4

3x-5(-5/13) = 4

3x +25/13 =4

3x = 4-25/13

3x = 27/13

x= 27/13*3

x = 9/13