Question

combine like terms and simplify for a medal and a fan!
1) 3n-13-5n+6n 2) 2rt+2r+7rt

Answer 1

1) 4n-13 and

Answer 2

erh....
1) n(3-5+6)-13=4n -13
2) rt(2+7)+2r=r(t(2+7)+2)=r(9t+2)

Answer 3

i think 2) 11r2t

Answer 4

or
2) 9rt +2r

Answer 5

I still do not understand

Answer 6

@Syderitic

Answer 7

ok, which part?

Answer 8

@INeedHelpWithThisQuestion

Answer 9

The answer

Answer 10

@Syderitic

Answer 11

did you understand 1)?

Answer 12

nope

Answer 13

didn't you just solve a related rates problem? -_-'?
2)
anyway... i'm assuming rt is r times t and not unrelated to r.
You begin by grouping like terms, terms afected by rt are 2rt and 7rt giving you 9rt +2r

Answer 14

erh....you gave me a medal...so did you got it? @INeedHelpWithThisQuestion

Answer 15

no i just did because you are being helpful

Answer 16

but i got it now

Answer 17

lol I'm so dumb i can't believe i did not know