Question

solve for the value of r.
answer attempt 1 out of 2
r =

Explanation:

Step1: Identify vertical angle property

Vertical angles are equal, so $7r-8=5r+8$.

Step2: Isolate variable terms

Subtract $5r$ from both sides:
$7r-5r-8=8$
$2r-8=8$

Step3: Isolate the variable

Add 8 to both sides:
$2r=8+8$
$2r=16$

Step4: Solve for r

Divide by 2:
$r=\frac{16}{2}$
$r=15$

Answer:

$r=15$