-20=-3n-4-n

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Solution for -20=-3n-4-n equation:


Simplifying
-20 = -3n + -4 + -1n

Reorder the terms:
-20 = -4 + -3n + -1n

Combine like terms: -3n + -1n = -4n
-20 = -4 + -4n

Solving
-20 = -4 + -4n

Solving for variable 'n'.

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

Add '4n' to each side of the equation.
-20 + 4n = -4 + -4n + 4n

Combine like terms: -4n + 4n = 0
-20 + 4n = -4 + 0
-20 + 4n = -4

Add '20' to each side of the equation.
-20 + 20 + 4n = -4 + 20

Combine like terms: -20 + 20 = 0
0 + 4n = -4 + 20
4n = -4 + 20

Combine like terms: -4 + 20 = 16
4n = 16

Divide each side by '4'.
n = 4

Simplifying
n = 4

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