In(x+1)+in(x)=(3x+15)

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Solution for In(x+1)+in(x)=(3x+15) equation:


Simplifying
In(x + 1) + in(x) = (3x + 15)

Reorder the terms:
nI(1 + x) + in(x) = (3x + 15)
(1 * nI + x * nI) + in(x) = (3x + 15)
(1nI + nxI) + in(x) = (3x + 15)

Multiply in * x
1nI + nxI + inx = (3x + 15)

Reorder the terms:
inx + 1nI + nxI = (3x + 15)

Reorder the terms:
inx + 1nI + nxI = (15 + 3x)

Remove parenthesis around (15 + 3x)
inx + 1nI + nxI = 15 + 3x

Solving
inx + 1nI + nxI = 15 + 3x

Solving for variable 'i'.

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

Add '-1nI' to each side of the equation.
inx + 1nI + -1nI + nxI = 15 + -1nI + 3x

Combine like terms: 1nI + -1nI = 0
inx + 0 + nxI = 15 + -1nI + 3x
inx + nxI = 15 + -1nI + 3x

Add '-1nxI' to each side of the equation.
inx + nxI + -1nxI = 15 + -1nI + -1nxI + 3x

Combine like terms: nxI + -1nxI = 0
inx + 0 = 15 + -1nI + -1nxI + 3x
inx = 15 + -1nI + -1nxI + 3x

Divide each side by 'nx'.
i = 15n-1x-1 + -1x-1I + -1I + 3n-1

Simplifying
i = 15n-1x-1 + -1x-1I + -1I + 3n-1

Reorder the terms:
i = -1I + 3n-1 + 15n-1x-1 + -1x-1I

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