-4.2-2.2=n

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Solution for -4.2-2.2=n equation: 


Simplifying
-4.2 + -2.2 = n

Combine like terms: -4.2 + -2.2 = -6.4
-6.4 = n

Solving
-6.4 = n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-6.4 + -1n = n + -1n

Combine like terms: n + -1n = 0
-6.4 + -1n = 0

Add '6.4' to each side of the equation.
-6.4 + 6.4 + -1n = 0 + 6.4

Combine like terms: -6.4 + 6.4 = 0.0
0.0 + -1n = 0 + 6.4
-1n = 0 + 6.4

Combine like terms: 0 + 6.4 = 6.4
-1n = 6.4

Divide each side by '-1'.
n = -6.4

Simplifying
n = -6.4

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