4l-1=-21

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Solution for 4l-1=-21 equation: 


Simplifying
4l + -1 = -21

Reorder the terms:
-1 + 4l = -21

Solving
-1 + 4l = -21

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 4l = -21 + 1

Combine like terms: -1 + 1 = 0
0 + 4l = -21 + 1
4l = -21 + 1

Combine like terms: -21 + 1 = -20
4l = -20

Divide each side by '4'.
l = -5

Simplifying
l = -5

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