Question

Two angles are supplementary. Angle 1 is (3x + 7)° and angle 2 is (4x - 2°). What is the value of x?

Answer 1

Answer:

Angle 1 and angle 2 are supplementary.

Therefore,angle 1+angle 2=180°

(3x+7)°+(4x-2)°=180

3x+7+4x-2=180°

7x+5=180

7x=180-5

x=175/7

x=25°