Respuesta :

Answer:

-7

Step-by-step explanation:

-53 = 7x - 4

Add:

-53 = 7x - 4

+4           +4

------------------

-49 = 7x

----   -----

7       7

-7 = x

Hope this helped.

-7x=-4+53

-7x=49

X=49÷7

X=-7