l+x=7L

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Solution for l+x=7L equation: 


Simplifying
l + x = 7L

Solving
l + x = 7L

Solving for variable 'l'.

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

Add '-1x' to each side of the equation.
l + x + -1x = 7L + -1x

Combine like terms: x + -1x = 0
l + 0 = 7L + -1x
l = 7L + -1x

Simplifying
l = 7L + -1x

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