-n-7n=-15-3n

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


Simplifying
-1n + -7n = -15 + -3n

Combine like terms: -1n + -7n = -8n
-8n = -15 + -3n

Solving
-8n = -15 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
-8n + 3n = -15 + -3n + 3n

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

Combine like terms: -3n + 3n = 0
-5n = -15 + 0
-5n = -15

Divide each side by '-5'.
n = 3

Simplifying
n = 3

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