Question

Find the value of X in the image below

Answer 1

x = - 18

Explanation:

125° and (5x + 145)° are same- side interior angles and sum to 180° , that is

125 + 5x + 145 = 180

5x + 270 = 180 ( subtract 270 from both sides )

5x = - 90 ( divide both sides by 5 )

x = - 18