Question

please answer these questions-
1)-13n+4n-r
2)7xy-8x+6xy-y
3)-14r-10n-3r-9n
correct answer will be marked brainleast​

Answer 1

Answer:

1)-13n+4n-r

=n(-13+4)-r

=-9n-r

2)7xy-8x+6xy-y

=7xy+6xy-8x-y

=13xy-8x-y

3)-14r-10n-3r-9n

=-14r-3r-10n-9n

= -17r-19n

=-19n-17n