Question

from the sum of x + 3 y and - 3x - y subtract x - y​

Answer 1

Answer:

-2x+2y

Step-by-step explanation:

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

= x-3x+3y-y

= -2x+2y

Answer 2

Answer:

Hello  

-3x + 3y

Step-by-step explanation:

 x + 3y + (-3x - y)

= - 2x + 2y

Now the subtraction

 -2x + 2y -(x-y)

= -2x + 2y -x + y       (sign changes when minus crosses the bracket)

= -3x + 3y

Hence solved.

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