Question

If (5x-1)and(5x-19) for a linear pair then x is

Answer 1

x = 20

Explanation:

A linear pair are supplementary, thus

5x - 1 + 5x - 19 = 180, that is

10x - 20 = 180 ( add 20 to both sides )

10x = 200 ( divide both sides by 10 )

x = 20