Question

21

9. Simplify where possible:
a) 3a -4a +6a
b) 7y + 11y - 18y
c) 4x + 9y -5x - 10y
d) -2m + 3n-9m -4n​

Answer 1

I have calculated a b c d.I hope you wanted me to simplify it like that.that's the only method I know hope it helps.

Answer 2

9. a) 5a

b) 0

c) -x -y

d) -11m -n

hope this answer helps you.....