7n+2n+(-n)+(-4)=

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Solution for 7n+2n+(-n)+(-4)= equation:


Simplifying
7n + 2n + (-1n) + (-4) = 0
7n + 2n + (-1n) + -4 = 0

Reorder the terms:
-4 + 7n + 2n + (-1n) = 0

Combine like terms: 7n + 2n = 9n
-4 + 9n + (-1n) = 0

Combine like terms: 9n + (-1n) = 8n
-4 + 8n = 0

Solving
-4 + 8n = 0

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 + 8n = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 8n = 0 + 4
8n = 0 + 4

Combine like terms: 0 + 4 = 4
8n = 4

Divide each side by '8'.
n = 0.5

Simplifying
n = 0.5

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