-5[4n-9]=31

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Solution for -5[4n-9]=31 equation:


Simplifying
-5[4n + -9] = 31

Reorder the terms:
-5[-9 + 4n] = 31
[-9 * -5 + 4n * -5] = 31
[45 + -20n] = 31

Solving
45 + -20n = 31

Solving for variable 'n'.

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

Add '-45' to each side of the equation.
45 + -45 + -20n = 31 + -45

Combine like terms: 45 + -45 = 0
0 + -20n = 31 + -45
-20n = 31 + -45

Combine like terms: 31 + -45 = -14
-20n = -14

Divide each side by '-20'.
n = 0.7

Simplifying
n = 0.7

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