Question

3x+y and 3x-7y, Add the given terms.

Answer 1

3x + y
3x -7y
---------
6x- 6y


if you take this as polynomial
6(X -Y)= 0
X- Y=0

Answer 2

(3x+y)+(3x-7y)
=3x+y+3x-7y
=6x-6y
=6(x-y)