638-n=800

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Solution for 638-n=800 equation:


Simplifying
638 + -1n = 800

Solving
638 + -1n = 800

Solving for variable 'n'.

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

Add '-638' to each side of the equation.
638 + -638 + -1n = 800 + -638

Combine like terms: 638 + -638 = 0
0 + -1n = 800 + -638
-1n = 800 + -638

Combine like terms: 800 + -638 = 162
-1n = 162

Divide each side by '-1'.
n = -162

Simplifying
n = -162

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