Respuesta :

Answer:

2x

Step-by-step explanation:

Answer:

x = 2

Step-by-step explanation:

u would add 3 to the -3 and to the 7 to make the problem 5x = 10 then you would divide the 5x by and the 10 by to get x = 2 and u can subsistute it just to see if it is correct