3n+2(n+4)=n+15

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Solution for 3n+2(n+4)=n+15 equation:


Simplifying
3n + 2(n + 4) = n + 15

Reorder the terms:
3n + 2(4 + n) = n + 15
3n + (4 * 2 + n * 2) = n + 15
3n + (8 + 2n) = n + 15

Reorder the terms:
8 + 3n + 2n = n + 15

Combine like terms: 3n + 2n = 5n
8 + 5n = n + 15

Reorder the terms:
8 + 5n = 15 + n

Solving
8 + 5n = 15 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
8 + 5n + -1n = 15 + n + -1n

Combine like terms: 5n + -1n = 4n
8 + 4n = 15 + n + -1n

Combine like terms: n + -1n = 0
8 + 4n = 15 + 0
8 + 4n = 15

Add '-8' to each side of the equation.
8 + -8 + 4n = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 4n = 15 + -8
4n = 15 + -8

Combine like terms: 15 + -8 = 7
4n = 7

Divide each side by '4'.
n = 1.75

Simplifying
n = 1.75

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