Respuesta :

jkem

Respuesta:

A) 4x = 5 + 3

4x = 8

x = 2

B) 10x + 3 = 8x + 1

10x - 8x = 1 - 3

2x = 1 - 3

2x = -2

x = -1

C) x + 7 = 12

x = 12 - 7

x = 5

D) x - 3 = 11

x = 11 + 3

x = 14

E) 3x = 24

x = 24/3

x = 8

F) x + 8 = 3

x = 3 - 8

x = -5