Respuesta :

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data

7 (x - 3) = 4 (x + 5)

x = ?

Step 02:

7 (x - 3) = 4 (x + 5)

7x - 21 = 4x + 20

7x - 4x = 20 - 21

3x = -1