Question

4x - 50)° and (x + 60)° are a pair of supplementary angles. x = ________ ⁰ . (Write only the value of x) 4x - 50)° and (x + 60)° are a pair of supplementary angles. x = ________ ⁰ . (Write only the value of x)

Answer 1

x = 34

Explanation:

4x - 50 + x + 60 = 180

Transpose all constant to the right side

4x - 50 + x + 60 = 180

+ 50 - 60 + 50 - 60

4x + x = 170

Add like terms

5x = 170

Divide 5x with its constant (5). Also, divide 170 with the constant.

5x = 170

x = 34

Answer 2

(4x-50)°+(x+60°)=180°

5x+10=180°

5x=180-10

5x=170

x=170/5

x=34