L+8=2L-20+3-4

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Solution for L+8=2L-20+3-4 equation: 


Simplifying
L + 8 = 2L + -20 + 3 + -4

Reorder the terms:
8 + L = 2L + -20 + 3 + -4

Reorder the terms:
8 + L = -20 + 3 + -4 + 2L

Combine like terms: -20 + 3 = -17
8 + L = -17 + -4 + 2L

Combine like terms: -17 + -4 = -21
8 + L = -21 + 2L

Solving
8 + L = -21 + 2L

Solving for variable 'L'.

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

Add '-2L' to each side of the equation.
8 + L + -2L = -21 + 2L + -2L

Combine like terms: L + -2L = -1L
8 + -1L = -21 + 2L + -2L

Combine like terms: 2L + -2L = 0
8 + -1L = -21 + 0
8 + -1L = -21

Add '-8' to each side of the equation.
8 + -8 + -1L = -21 + -8

Combine like terms: 8 + -8 = 0
0 + -1L = -21 + -8
-1L = -21 + -8

Combine like terms: -21 + -8 = -29
-1L = -29

Divide each side by '-1'.
L = 29

Simplifying
L = 29

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