Question

119x-381y=643 ; 381x-119y=-143 solve​

Answer 1

Step-by-step explanation:

119x - 381y = 643

+ 381x - 119y = 143

______________

500x - 500y = 786

______________

500(x - y) = 786

x -y = 393/250

x = 393/250+y---------->[1]

Substitute equation 1 in the question and solve it

tq and bye