7*L(3x)+3*L(5x)=15

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Solution for 7*L(3x)+3*L(5x)=15 equation: 


Simplifying
7L(3x) + 3L(5x) = 15

Remove parenthesis around (3x)
7L * 3x + 3L(5x) = 15

Reorder the terms for easier multiplication:
7 * 3L * x + 3L(5x) = 15

Multiply 7 * 3
21L * x + 3L(5x) = 15

Multiply L * x
21xL + 3L(5x) = 15

Remove parenthesis around (5x)
21xL + 3L * 5x = 15

Reorder the terms for easier multiplication:
21xL + 3 * 5L * x = 15

Multiply 3 * 5
21xL + 15L * x = 15

Multiply L * x
21xL + 15xL = 15

Combine like terms: 21xL + 15xL = 36xL
36xL = 15

Solving
36xL = 15

Solving for variable 'x'.

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

Divide each side by '36L'.
x = 0.4166666667L-1

Simplifying
x = 0.4166666667L-1

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