3-r=ln(9s+7)

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Solution for 3-r=ln(9s+7) equation:


Simplifying
3 + -1r = ln(9s + 7)

Reorder the terms:
3 + -1r = ln(7 + 9s)
3 + -1r = (7 * ln + 9s * ln)
3 + -1r = (7ln + 9lns)

Solving
3 + -1r = 7ln + 9lns

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -1r = 7ln + -3 + 9lns

Combine like terms: 3 + -3 = 0
0 + -1r = 7ln + -3 + 9lns
-1r = 7ln + -3 + 9lns

Reorder the terms:
-1r = -3 + 7ln + 9lns

Divide each side by '-1'.
r = 3 + -7ln + -9lns

Simplifying
r = 3 + -7ln + -9lns

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