n+3-7=15

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Solution for n+3-7=15 equation: 


Simplifying
n + 3 + -7 = 15

Reorder the terms:
3 + -7 + n = 15

Combine like terms: 3 + -7 = -4
-4 + n = 15

Solving
-4 + n = 15

Solving for variable 'n'.

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

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

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

Combine like terms: 15 + 4 = 19
n = 19

Simplifying
n = 19

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