cooldill101
cooldill101 cooldill101
  • 15-01-2020
  • Mathematics
contestada

Simplify.

8m+4n+7m−2n

What is the answer?

15m + 2n
m + 2n
17mn
15m + 6n

Respuesta :

dinonugs
dinonugs dinonugs
  • 15-01-2020
15m + 2n, first you have to pair the matching variables, 8m and 7m along with the sign in front of them. so 8m(+7m), you would then add those then do the same with the other, +4n(postive) and -2n, so subtract 2 from 4 and get 2. put them together and it’s 15m+2
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