Question

16xy/4x+3xy/x-2y

Answer 1

16xy/4x+3xy/x-2y = 4y+3y-2y = 5y

Answer 2

thanks. and 12rst/4st-3r+21rt/3r

Answer 3

12rst/4st-3r+21rt/3r = 3r -3r +7t =7t

Answer 4

i wrote it wrong. just a min.

Answer 5

12rst/4st-3r+21rt/3t

Answer 6

3r -3r + 7r =7r

Answer 7

just cross out the common factors and do the simple calculation

Answer 8

thanks! and 4a*3b+18ac*5b/10c

Answer 9

i already have don them.

Answer 10

i am just checking m answers

Answer 11

4a*3b+18ac*5b/10c = 12ab + 9ab = 21ab

Answer 12

okay. thanks!

Answer 13

2a*3b*4c/8ac+27bc*5a/15ab-2bc-3b

Answer 14

2a*3b*4c/8ac+27bc*5a/15ab-2bc-3b = 3b + 9c - 2bc -3b = 9c-2bc

Answer 15

18a^2b*5c/45ac-11ac*4b^2/2bc+6b^3/2b^2

Answer 16

for 2a*3b*4c/8ac+27bc*5a/15ab-2bc-3b how did you get the 9 c?

Answer 17

18a^2b*5c/45ac-11ac*4b^2/2bc+6b^3/2b^2
= 2ab - 22ab + 2b
= -20ab +2b

Answer 18

+27bc*5a/15ab = (27x5/15) abc/ab = 9c

Answer 19

oh

Answer 20

and last... 4n*7m^2/14mn+12n^3m/6n^2m-5m*6n^3/2mn*15n-m

Answer 21

4n*7m^2/14mn+12n^3m/6n^2m-5m*6n^3/2mn*15n-m
= 2m + 3n-n -m
=m+2n

Answer 22

okay. thank you very very much!!!!