Answer:
r = -189
Step-by-step explanation:
Let's make it easy,
-13=r/9+8
r/9 = -13-8
r/9 = -21
r = -21 × 9
r = -189
Answer:
Step-by-step explanation:
= 
total dist. driven = dist. Meg drove + dist. Tanner drove
Meg = 112
Tanner = x or how far did Tanner drive?
= 
* 112 = x
84 =x so Tanner drove 84 miles
total driven = 112 + 84
total driven = 196 :)