l(x)=(x-20)(-0.02+40)

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Solution for l(x)=(x-20)(-0.02+40) equation: 


Simplifying
l(x) = (x + -20)(-0.02 + 40)

Multiply l * x
lx = (x + -20)(-0.02 + 40)

Reorder the terms:
lx = (-20 + x)(-0.02 + 40)

Combine like terms: -0.02 + 40 = 39.98
lx = (-20 + x)(39.98)

Reorder the terms for easier multiplication:
lx = 39.98(-20 + x)
lx = (-20 * 39.98 + x * 39.98)
lx = (-799.6 + 39.98x)

Solving
lx = -799.6 + 39.98x

Solving for variable 'l'.

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

Divide each side by 'x'.
l = -799.6x-1 + 39.98

Simplifying
l = -799.6x-1 + 39.98

Reorder the terms:
l = 39.98 + -799.6x-1

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