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Solve by substitution

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Solve by substitution...Indicate whether each system is independent, dependent or inconsistent.

x = 1/8y -1 y = 1/4x + 39

Solve by addition
x-2y=-1
-x+5y=4

3x +5y=-1
x-2y=11

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Substitution
I need detailed explaination on each problem
Solve by substitution...Indicate whether each system is independent, dependent or inconsistent.
x = 1/8y -1 y = 1/4x + 39
Solution.
Plugging y = 1/4x + 39 in the first equation, we get
x = 1/8(1/4 x + 39) - 1
x = ...

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