Answer:
x=11 and the measure for angle B is 80
Explanation:
First you would set the equations equal to each other
8x-8 = 5x+25
-5x -5x
Then i subtracted 5x from both sides
3x-8 = 25
+8 +8
Then I added 8 to both sides
3x = 33
Divide both sides by three and you'll get x=11