Question

I can’t seem to figure this out help plz

Answer 1

3.5r-7

Explanation:

So you are just combining like terms

6.4r

-7

-2.9r

so you will combine 6.4 and -2.9 and that equals 3.5(add the variable)

And then -7

so

3.5r-7

Answer 2

`3.5r-7`

Explanation:

Both of the r's are like terms, so you can combine them:

`6.4r-7-2.9r`

`(6.4r-2.9r)-7`

`3.5r-7`