find the measure of an angle that is 8 degrees less than 3 times its supplement.

Question

find the measure of an angle that is 8 degrees less than 3 times its supplement

Answer 1

Let x be the angle. The hint then translates to: x = 3(180 - x) - 8. This is a linear equation.

 

x = 3(180 - x) - 8

 

x = 540 - 3x - 8

 

4x = 532

 

x = 133