Answer:
r=8
Step-by-step explanation:
80=10r
divide 10 each side (reverse)
80/10=8
r=8
Answer: The variable [tex]r[/tex] is equal to 8.
Step-by-step explanation:
1. Start by dividing by 10 on both sides of the equation to remove the coefficient on the right side. You get [tex]8=r[/tex]. This is your answer. The variable [tex]r[/tex] is equal to 8.