5n-(n+3)=25

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Solution for 5n-(n+3)=25 equation:


Simplifying
5n + -1(n + 3) = 25

Reorder the terms:
5n + -1(3 + n) = 25
5n + (3 * -1 + n * -1) = 25
5n + (-3 + -1n) = 25

Reorder the terms:
-3 + 5n + -1n = 25

Combine like terms: 5n + -1n = 4n
-3 + 4n = 25

Solving
-3 + 4n = 25

Solving for variable 'n'.

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

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

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

Combine like terms: 25 + 3 = 28
4n = 28

Divide each side by '4'.
n = 7

Simplifying
n = 7

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