Question

12. Solve x/3 - 1 = -4 for x. (Points : 1)
-9
-3
3
9


13. Solve 22x - 4 = 40 for x. (Points : 1)
1
2
4
10


14. Solve x/4 + 3 = 1 for x. (Points : 1)
12
8
-12
-8

Answer 1

x/3 - 1 = -4 <=> x/3 = -3 <=> x = -9

22x - 4 = 40 <=> 22x = 44 <=> x = 2

x/4 + 3 = 1 <=> x/4 = -2 <=> x = -8