15+3n-7=2

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Solution for 15+3n-7=2 equation: 


Simplifying
15 + 3n + -7 = 2

Reorder the terms:
15 + -7 + 3n = 2

Combine like terms: 15 + -7 = 8
8 + 3n = 2

Solving
8 + 3n = 2

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + 3n = 2 + -8

Combine like terms: 8 + -8 = 0
0 + 3n = 2 + -8
3n = 2 + -8

Combine like terms: 2 + -8 = -6
3n = -6

Divide each side by '3'.
n = -2

Simplifying
n = -2

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