Respuesta :

Answer:

x = -4

Step-by-step explanation:

Rearrange equation so that like terms are on one side and the numbers are on the other.

2x - x = 3 - 7

x = -4

Answer:

x=-10

Step-by-step explanation:

2x-x+7=x-x-3

x+7-7=-3=7

x=-10