12+l-9=

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Solution for 12+l-9= equation: 


Simplifying
12 + l + -9 = 0

Reorder the terms:
12 + -9 + l = 0

Combine like terms: 12 + -9 = 3
3 + l = 0

Solving
3 + l = 0

Solving for variable 'l'.

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

Add '-3' to each side of the equation.
3 + -3 + l = 0 + -3

Combine like terms: 3 + -3 = 0
0 + l = 0 + -3
l = 0 + -3

Combine like terms: 0 + -3 = -3
l = -3

Simplifying
l = -3

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