25+n=4(n-1)

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Solution for 25+n=4(n-1) equation:


Simplifying
25 + n = 4(n + -1)

Reorder the terms:
25 + n = 4(-1 + n)
25 + n = (-1 * 4 + n * 4)
25 + n = (-4 + 4n)

Solving
25 + n = -4 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
25 + n + -4n = -4 + 4n + -4n

Combine like terms: n + -4n = -3n
25 + -3n = -4 + 4n + -4n

Combine like terms: 4n + -4n = 0
25 + -3n = -4 + 0
25 + -3n = -4

Add '-25' to each side of the equation.
25 + -25 + -3n = -4 + -25

Combine like terms: 25 + -25 = 0
0 + -3n = -4 + -25
-3n = -4 + -25

Combine like terms: -4 + -25 = -29
-3n = -29

Divide each side by '-3'.
n = 9.666666667

Simplifying
n = 9.666666667

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