Respuesta :

rapperkid15

Answer:

x=4

Step-by-step explanation:

x+3=7     1. -3 on both sides

x=4

Izzy0l

Answer:

x = 4

Step-by-step explanation:

Subtract 3 from both sides of the equation

x + 3 = 7

x + 3 - 3 = 3

Solution:

x = 4