5n-2n+4-7=15

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Solution for 5n-2n+4-7=15 equation: 


Simplifying
5n + -2n + 4 + -7 = 15

Reorder the terms:
4 + -7 + 5n + -2n = 15

Combine like terms: 4 + -7 = -3
-3 + 5n + -2n = 15

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

Solving
-3 + 3n = 15

Solving for variable 'n'.

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

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

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

Combine like terms: 15 + 3 = 18
3n = 18

Divide each side by '3'.
n = 6

Simplifying
n = 6

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