SOLUTION: If <FBE=7x+12 and <EBD=3x+40, find m<FBE

Algebra ->  Angles -> SOLUTION: If <FBE=7x+12 and <EBD=3x+40, find m<FBE      Log On


   

Question 902917: If
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Are the angles supplementary or complementary?
If they're supplementary,
7x%2B12%2B3x%2B40=180
10x%2B52=180
10x=128
x=128%2F5
x=64%2F5
Now go back and plug in x to find FBE.
If they're complementary,
10x%2B52=90
10x=38
x=38%2F10
x=19%2F5
Similarly go back and plug in x to find FBE.