20-l=1

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Solution for 20-l=1 equation:


Simplifying
20 + -1l = 1

Solving
20 + -1l = 1

Solving for variable 'l'.

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

Add '-20' to each side of the equation.
20 + -20 + -1l = 1 + -20

Combine like terms: 20 + -20 = 0
0 + -1l = 1 + -20
-1l = 1 + -20

Combine like terms: 1 + -20 = -19
-1l = -19

Divide each side by '-1'.
l = 19

Simplifying
l = 19

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