Question

19u+4v-3u-9v=
Collect like terms

Answer 1

16u - 5v

Answer 2

I took 19u-3u=16
4v-9v=-5
I am not sure what to do from here

Answer 3

where'd you get 16 and 5 from?

Answer 4

well I 19 minus 3

Answer 5

you put 19u + 4v -3u - 9v =

combine the u terms and the v terms.

this simplifies to 16u - 5v

Answer 6

right

Answer 7

which is 11

Answer 8

that isn't 11. u and v are different variables, so you can't combine them.

Answer 9

16u - 5v is the final answer.

Answer 10

ok thanks a lot I was trying to remember how to do it cause I have done it.

Answer 11

no problem

Answer 12

can you please look at the other problem to if i post it here

Answer 13

yea post it.

Answer 14

Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and b is traveling 80 mph. Train A passes at 7:25pm. Train B passes the same station at 7:37pm. What time will train B catch up to train A?