Question

I can’t seem to figure this out help plz

Answer 1

Answer:

3.5r-7

Step-by-step 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

Answer:

$3.5r-7$

Step-by-step explanation:

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

$6.4r-7-2.9r$

$(6.4r-2.9r)-7$

$3.5r-7$