Respuesta :

Answer:

11

Step-by-step explanation:

6x+7=8x-15

7=2x+15

22=2x

11=x

Answer:

11 =x

Step-by-step explanation:

6x +7=8x -15

Subtract 6x from each side

6x-6x +7=8x-6x -15

7 = 2x -15

Add 15 to each side

7+15 = 2x-15+15

22 =2x

Divide each side by 2

22/2 = 2x/2

11 =x