Question

From the sum of x + 3y and - 3x-y subtract x-y.​

Answer 1

Answer:

= -3(x-y)

Step-by-step explanation:

Given

Sum of x+3y and -3x-y

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

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

= -2x+2y

Now according to question

subtract (x-y ) from it

Thus,

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

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

= -3x+3y

= -3(x-y)

Hope this helps you

Answer 2

Answer:

X+3y+(-3x-y)

X+3y-3x-y

-2x+2y

Now

-2x+2y-(x-y)

-2x+2y-x+y

-3x+3y

Or

-3(x-y)