Respuesta :

Answer:

x = 3

Step-by-step explanation:

7 + 6x - 4 = 3x - 9 + 7x

6x -3x - 7x = -9 - 7 + 4

-4x = -12

-4x/-4 = -12/-4

x = 3

Answer:

3+6x=10x-9

3+9=10x-6x

12=4x

12÷4=x

x=3