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Simplifying
-4 + -8n2 = -143
Solving
-4 + -8n2 = -143
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 + -8n2 = -143 + 4
Combine like terms: -4 + 4 = 0
0 + -8n2 = -143 + 4
-8n2 = -143 + 4
Combine like terms: -143 + 4 = -139
-8n2 = -139
Divide each side by '-8'.
n2 = 17.375
Simplifying
n2 = 17.375
Take the square root of each side:
n = {-4.168333, 4.168333}
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