Question

Added with 5a-3b+2c to get a-4b-2c

Answer 1

Answer:

-4a - b - 4c is added with 5a-3b+2c to get a-4b-2c

Answer 2

Answer:

let us take the unknown number as'x'

(5a-3b+2c)+X=a-4b-2c

X=a-4b-2c-5a+3b-2c

X=-4a-1b-4c

therefore,

(-4a-1b-4c ) should be added to get (a-4b-2c)

hope this helps you^_^