Answer:
so the answers are 26, 4, 4, and -1
Explanation:
If you want me to solve all of them it is: Your getting x by itself
so do the opposite of each problem i'll do the first one
2x - 20 = 32
+ 20 +20
2x = 52 divide the 2
2 2
x = 26
Hope my answer has helped you if not i'm sorry.