20=2l+2(20)

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Solution for 20=2l+2(20) equation: 


Simplifying
20 = 2l + 2(20)

Multiply 2 * 20
20 = 2l + 40

Reorder the terms:
20 = 40 + 2l

Solving
20 = 40 + 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.
20 + -2l = 40 + 2l + -2l

Combine like terms: 2l + -2l = 0
20 + -2l = 40 + 0
20 + -2l = 40

Add '-20' to each side of the equation.
20 + -20 + -2l = 40 + -20

Combine like terms: 20 + -20 = 0
0 + -2l = 40 + -20
-2l = 40 + -20

Combine like terms: 40 + -20 = 20
-2l = 20

Divide each side by '-2'.
l = -10

Simplifying
l = -10

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