SOLUTION: If angle A and angle B are supplementary find the value of x Measure of angle A= 2x, m of angle B= x-15

Algebra ->  Geometry-proofs -> SOLUTION: If angle A and angle B are supplementary find the value of x Measure of angle A= 2x, m of angle B= x-15      Log On


   

Question 513943: If angle A and angle B are supplementary find the value of x
Measure of angle A= 2x, m of angle B= x-15
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
If angle A and angle B are supplementary, then A = 180-B, so...
2x = 180-(x-15) Simplify.
2x = 180-x+15 Add x.
3x = 180+15
3x = 195 Divide by 3.
x = 65