n-1-2n=-4

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Solution for n-1-2n=-4 equation:


Simplifying
n + -1 + -2n = -4

Reorder the terms:
-1 + n + -2n = -4

Combine like terms: n + -2n = -1n
-1 + -1n = -4

Solving
-1 + -1n = -4

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + -1n = -4 + 1

Combine like terms: -1 + 1 = 0
0 + -1n = -4 + 1
-1n = -4 + 1

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

Divide each side by '-1'.
n = 3

Simplifying
n = 3

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