Step-by-step explanation:

Answer:
18.9
Step-by-step explanation:
Calculators, haha
thats true everybody knows no offence
Put the graph please... I will reply with the answer :)
Answer:
r= -6
Step-by-step explanation:
first we move the terms
6r-7r = 13-7
-r= 6
and once we change the signs
r= -6
hope it helps pls mark me as brainliest