4=-.8n

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Solution for 4=-.8n equation:


Simplifying
4 = -0.8n

Solving
4 = -0.8n

Solving for variable 'n'.

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

Add '0.8n' to each side of the equation.
4 + 0.8n = -0.8n + 0.8n

Combine like terms: -0.8n + 0.8n = 0.0
4 + 0.8n = 0.0

Add '-4' to each side of the equation.
4 + -4 + 0.8n = 0.0 + -4

Combine like terms: 4 + -4 = 0
0 + 0.8n = 0.0 + -4
0.8n = 0.0 + -4

Combine like terms: 0.0 + -4 = -4
0.8n = -4

Divide each side by '0.8'.
n = -5

Simplifying
n = -5

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