Question

Ecuaciones que él valor de la inconigta sea 2/3

Answer 1

x + 1/3 = 3/3
x = 3/3 - 1/3
x = 3 - 1/3
x = 2/3

Answer 2

Le voy a dar 3:

1) 3x + 3/1 = 5 /1 

3x = 5/1- 3/1 = 2

x = 2/3

2) x + 2/3 = 8/6

x = 8/6 - 2/3

x= 2/3

3) x/-1 + 4/3 = 6/9

x/-1 = 6/9 - 4/3 

x = -2/3 * -1 = 2/3