SOLUTION: wxyz is a parallelogram. if m angel W=9x-3 degrees and m angel z= 3x+15 degrees. solve for x. thank you

Algebra ->  Angles -> SOLUTION: wxyz is a parallelogram. if m angel W=9x-3 degrees and m angel z= 3x+15 degrees. solve for x. thank you      Log On


   

Question 832014: wxyz is a parallelogram. if m angel W=9x-3 degrees and m angel z= 3x+15 degrees. solve for x. thank you
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
W and Z are adjacent angles. So they are supplementary and add to 180 degrees.

W + Z = 180

9x - 3 + 3x + 15 = 180

12x + 12 = 180

12x = 180 - 12

12x = 168

x = 168/12

x = 14