Question

find the value of x . show your steps.
step 1: (8x + 9)°+99°=
step 2: 8x+
step 3: 8x=
step 4: x=

Explanation:

Answer:

Step 1: \((8x + 9)^{\circ}+99^{\circ}=180^{\circ}\)
Step 2: \(8x + 108 = 180\)
Step 3: \(8x = 72\)
Step 4: \(x = 9\)