Question

What is the value of r?

6=(9-5)/(r-7)

Answer 1

Question

We will have:

$$6 = \frac{(9 - 5)}{(r - 7)} \Rightarrow 6 \cdot (r - 7) = 4 \Rightarrow 6r - 42 = 4 \Rightarrow 6r = 46 \Rightarrow r = \frac{23}{2}.$$

Answer: $r = \frac{23}{2}$