120=2L+2(L-12)

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Solution for 120=2L+2(L-12) equation: 


Simplifying
120 = 2L + 2(L + -12)

Reorder the terms:
120 = 2L + 2(-12 + L)
120 = 2L + (-12 * 2 + L * 2)
120 = 2L + (-24 + 2L)

Reorder the terms:
120 = -24 + 2L + 2L

Combine like terms: 2L + 2L = 4L
120 = -24 + 4L

Solving
120 = -24 + 4L

Solving for variable 'L'.

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

Add '-4L' to each side of the equation.
120 + -4L = -24 + 4L + -4L

Combine like terms: 4L + -4L = 0
120 + -4L = -24 + 0
120 + -4L = -24

Add '-120' to each side of the equation.
120 + -120 + -4L = -24 + -120

Combine like terms: 120 + -120 = 0
0 + -4L = -24 + -120
-4L = -24 + -120

Combine like terms: -24 + -120 = -144
-4L = -144

Divide each side by '-4'.
L = 36

Simplifying
L = 36

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