4-2n=5

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Solution for 4-2n=5 equation: 


Simplifying
4 + -2n = 5

Solving
4 + -2n = 5

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 + -2n = 5 + -4

Combine like terms: 4 + -4 = 0
0 + -2n = 5 + -4
-2n = 5 + -4

Combine like terms: 5 + -4 = 1
-2n = 1

Divide each side by '-2'.
n = -0.5

Simplifying
n = -0.5

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