Ll-7-4u-u=15

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Solution for Ll-7-4u-u=15 equation:


Simplifying
Ll + -7 + -4u + -1u = 15

Reorder the terms:
-7 + lL + -4u + -1u = 15

Combine like terms: -4u + -1u = -5u
-7 + lL + -5u = 15

Solving
-7 + lL + -5u = 15

Solving for variable 'l'.

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

Add '7' to each side of the equation.
-7 + lL + 7 + -5u = 15 + 7

Reorder the terms:
-7 + 7 + lL + -5u = 15 + 7

Combine like terms: -7 + 7 = 0
0 + lL + -5u = 15 + 7
lL + -5u = 15 + 7

Combine like terms: 15 + 7 = 22
lL + -5u = 22

Add '5u' to each side of the equation.
lL + -5u + 5u = 22 + 5u

Combine like terms: -5u + 5u = 0
lL + 0 = 22 + 5u
lL = 22 + 5u

Divide each side by 'L'.
l = 22L-1 + 5uL-1

Simplifying
l = 22L-1 + 5uL-1

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