12-L=L+4

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Solution for 12-L=L+4 equation:


Simplifying
12 + -1L = L + 4

Reorder the terms:
12 + -1L = 4 + L

Solving
12 + -1L = 4 + L

Solving for variable 'L'.

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

Add '-1L' to each side of the equation.
12 + -1L + -1L = 4 + L + -1L

Combine like terms: -1L + -1L = -2L
12 + -2L = 4 + L + -1L

Combine like terms: L + -1L = 0
12 + -2L = 4 + 0
12 + -2L = 4

Add '-12' to each side of the equation.
12 + -12 + -2L = 4 + -12

Combine like terms: 12 + -12 = 0
0 + -2L = 4 + -12
-2L = 4 + -12

Combine like terms: 4 + -12 = -8
-2L = -8

Divide each side by '-2'.
L = 4

Simplifying
L = 4

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