Solve the problem using the elimination method.
-Two angles are supplementary, and one is 40° more than three times the other. Find the smaller angle.
A)35°
B)145°
C)105°
D)75°

Question

Quizplus · Accepted Answer

The two angles are supplementary, meaning their sum is 180°. Let x be the smaller angle, then the other angle is 3x + 40. The equation is x + (3x + 40) = 180. Solving for x gives x = 35°, which is the smaller angle.

Solve the Problem Using the Elimination Method