Answer:
Second one : x=-8+1/2
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