Question

1+x/1-x=5/-4
please answer​

Answer 1

hope this helps u

1+x/1-x= -5/4 (5/-4 in which -  cannot be in denominator so it is transferred  to numerator)

cross multiplication  

-5(1-x)= 4(1+x)

-5+5x=4+4x

5x-4x= 4+5

x= 9