(a) 5 2 x for 8 x (b) 2 4n for 5 n (c) 2 3 x y  for 5 x and 2 y (d) 2 3 5 x for 20 x (e) 5 1 3 n n   for 4 n (f) 2 5 5 7 x x  for 3 x

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step-by-step explanation:

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step-by-step explanation:

simplifying

7ln(x + 2.8) = 11.2

reorder the terms:

7ln(2.8 + x) = 11.2

(2.8 * 7ln + x * 7ln) = 11.2

(19.6ln + 7lnx) = 11.2

solving

19.6ln + 7lnx = 11.2

solving for variable 'l'.

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

reorder the terms:

-11.2 + 19.6ln + 7lnx = 11.2 + -11.2

combine like terms: 11.2 + -11.2 = 0.0

-11.2 + 19.6ln + 7lnx = 0.0

the solution to this equation could not be determined.

step-by-step explanation:

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