Respuesta :

Answer:

x=20

Step-by-step explanation:

6x+17=7x-3

-x=-3-17

-x=-20

x=20

Answer:

x = 20

Step-by-step explanation:

7x -3 = 6x + 17    {Alternate exterior angles are congruent}

Add 3  to both sides

7x = 6x + 17 + 3

7x = 6x + 20

Subtract 6x from both sides

7x - 6x = 20

x = 20