Respuesta :

s1m1

Answer:

Step-by-step explanation:

19=5x−1, add 1 to both sides

19+1 = 5x -1+1 , solve addition

20 = 5x, divide both sides by 5

20/5 = 5x/5, solve divison

4 = x

Answer:

Step-by-step explanation:

19 = 5x - 1

Given 19 + 1 = 5x - 1 + 1 20 = 5x    

Addition Property of Equality 20 : 5 = 5x : 5 4 = x    

Division Property of Equality