solve for l

l = a/(2 w) - (π w)/4

Step-by-step explanation:

Solve for l:

a = 2 l w + (π w^2)/2

a = 2 l w + (π w^2)/2 is equivalent to 2 l w + (π w^2)/2 = a:

2 l w + (π w^2)/2 = a

Subtract (π w^2)/2 from both sides:

2 l w = a - (π w^2)/2

Divide both sides by 2 w:

l = a/(2 w) - (π w)/4

Step-by-step explanation:

Subtract terms not containing L, then divide by its coefficient.

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step-by-step explanation: