Question

X+y= 10
2x + 3y=12
Value of x and y

Answer 1

Answer:

x+y=10----------(1)

2x+3y=12---------(2)

1 no ×2 or 2 no ×1

2x+2y=20

2x+3y=12

(-) (-) (-)

---------------------

2y+3y=20-12

5y=8

8

y=--------

5

8

1 no y= --------

5

x+y=10

8

=x+ ------- =10

5

5x+8

=--------------- =10

5

= 5x+8=50

=5x=50-8

42

=x= --------

5

x=8.4

8

ans y = --------,x=8.4

5

this Removal method