Respuesta :

Answer:

x = 6, -9

Step-by-step explanation:

Answer:

x=6

Step-by-step explanation:

2x+3=15

Subtract 3 from both sides (3-3), 15-3

2x=12

Divide by 2 on both sides (2/2), 12/2=6

x=6

ISOLATE THE VARIABLE

Hope that helps