5n-(2n+3)=12

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Solution for 5n-(2n+3)=12 equation:


Simplifying
5n + -1(2n + 3) = 12

Reorder the terms:
5n + -1(3 + 2n) = 12
5n + (3 * -1 + 2n * -1) = 12
5n + (-3 + -2n) = 12

Reorder the terms:
-3 + 5n + -2n = 12

Combine like terms: 5n + -2n = 3n
-3 + 3n = 12

Solving
-3 + 3n = 12

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 + 3n = 12 + 3

Combine like terms: -3 + 3 = 0
0 + 3n = 12 + 3
3n = 12 + 3

Combine like terms: 12 + 3 = 15
3n = 15

Divide each side by '3'.
n = 5

Simplifying
n = 5

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