4+3n-(5-n)=15

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Solution for 4+3n-(5-n)=15 equation:


Simplifying
4 + 3n + -1(5 + -1n) = 15
4 + 3n + (5 * -1 + -1n * -1) = 15
4 + 3n + (-5 + 1n) = 15

Reorder the terms:
4 + -5 + 3n + 1n = 15

Combine like terms: 4 + -5 = -1
-1 + 3n + 1n = 15

Combine like terms: 3n + 1n = 4n
-1 + 4n = 15

Solving
-1 + 4n = 15

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + 4n = 15 + 1

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

Combine like terms: 15 + 1 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

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