Question

the measures of two supplementary angles are 2 X + 10 degree and 3 X + 5 degree find the value of x​

Answer 1

sum of two supplementary angles = 180⁰

2 X + 10⁰ + 3 X + 5⁰ = 180⁰

5X + 15 = 180

5X =180 - 15

5X = 165

X = 165/5

X = 33⁰