Question

please answer this question ​

Answer 1

Answer:

5x/6-y/3=11

5x-2y = -7

6

5x -2y = -42 -----------------(1)

x/3+y/4=11

3y+4x = 11

12

4x+3y = 11*12

4x+3y = 132

x= 132- 3y

4

putting the value of x in equation (1)

5(132 - 3y) -2y = -42

(4)

5*132 -5*3y -2y = -42

4

660 - 15y-2y = -42

4

660-15y-8y = -42

4

660 -23y = -42*4

660 - 23y = -84

660 +84 = 23y

744= 23y

y=744

23

y=32.3

putting the value of y in equation (1)

5x - 2*32.3 = -42

5x - 64.6 = -42

5x =-42 + 64.6

5x = 22.6

x = 22.6

5

x=4.52

Hence, x= 4.52 ;y=32.3