Respuesta :

Answer:

Second one : x=-8+1/2

Step-by-step explanation:

-4x+8=42

We move all terms to the left:

-4x+8-(42)=0

We add all the numbers together, and all the variables

-4x-34=0

We move all terms containing x to the left, all other terms to the right

-4x=34

x=34/-4

x=-8+1/2