B(n) = b(n − 1) - 7
1 answer:
You might be interested in
Answer:
-8
Step-by-step explanation:
Solving for r means that we need to isolate r from the expression.
Multiply both sides by (r +6) to 'get rid' of the fraction:
-8= 4(r +6)
Expand:
-8= 4r +4(6)
-8= 4r +24
Minus 24 on both sides:
4r= -8 -24
4r= -32
Divide both sides by 4:
r= -32 ÷4
r= -8
Additional:
For a similar question on solving for a variable:
Check the picture below.
