Question

Well I need the help in this last question I will mark brain list if you got it right

Answer 1

(5x-6y+7) -(-x +5y -8)
=5x-6y+7+x-5y+8
=6x -11y +15
Hope it helps you (^_^)

Answer 2

6x−11y+15

Explanation:

Distribute the Negative Sign:

=5x−6y+7+−1(−x+5y−8)

=5x+−6y+7+−1(−x)+−1(5y)+(−1)(−8)

=5x+−6y+7+x+−5y+8

Combine Like Terms:

=5x+−6y+7+x+−5y+8

=(5x+x)+(−6y+−5y)+(7+8)

=6x+−11y+15

Answer:

6x−11y+15

I hope I helped!!