Question

Solve for x. x = [?] X 5x -5 2x + 10 ​

Answer 1

x = 25

Explanation:

the angles form a linear pair and sum to 180° , then

5x - 5 + 2x + 10 = 180 , that is

7x + 5 = 180 ( subtract 5 from both sides )

7x = 175 ( divide both sides by 7 )

x = 25