Simple Equations

Here are some mathematical equations for you to solve.
Can you figure out the answers?

8l - 2 = 22
l =
5n - 7 = 38
n =
4k - 9 = -1
k =
9s - 10 = 80
s =
10k + 10 = 90
k =
10j + 10 = 30
j =
3a + 3 = 27
a =
8e - 10 = 70
e =
2z - 9 = 7
z =
9q + 6 = 96
q =

 

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