Answer:

Step-by-step explanation:
First, distribute all terms

Get all terms with R onto the same side

Factor out the R

Divide by (T-S) to isolate R

Answer:
6+2
Step-by-step explanation:

Distribute the negative in.
<u>Negative</u><u> </u><u>Multiply</u><u> </u><u>Negative</u><u> </u><u>must</u><u> </u><u>equal</u><u> </u><u>Positive</u><u>.</u>
