3(b+f) you just do the sum and times it by 3
Answer:(-6,24) and (2,c8)
Step-by-step explanation:
The two labeled angles are alternate interior angles, and as such, they are the same.
From this result you can build the equation

and solve it for x: subtract 13x from both sides to get

and add 2 to both sides to get

Check: if we plug the value we found we have

So the angles are actually the same, as requested.
Answer:
48
Step-by-step explanation: