[n+4]*3=15

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Solution for [n+4]*3=15 equation:


Simplifying
[n + 4] * 3 = 15

Reorder the terms:
[4 + n] * 3 = 15

Reorder the terms for easier multiplication:
3[4 + n] = 15
[4 * 3 + n * 3] = 15
[12 + 3n] = 15

Solving
12 + 3n = 15

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 3n = 15 + -12

Combine like terms: 12 + -12 = 0
0 + 3n = 15 + -12
3n = 15 + -12

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

Divide each side by '3'.
n = 1

Simplifying
n = 1

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