4.2+3.6=n-12

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Solution for 4.2+3.6=n-12 equation: 


Simplifying
4.2 + 3.6 = n + -12

Combine like terms: 4.2 + 3.6 = 7.8
7.8 = n + -12

Reorder the terms:
7.8 = -12 + n

Solving
7.8 = -12 + 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.
7.8 + -1n = -12 + n + -1n

Combine like terms: n + -1n = 0
7.8 + -1n = -12 + 0
7.8 + -1n = -12

Add '-7.8' to each side of the equation.
7.8 + -7.8 + -1n = -12 + -7.8

Combine like terms: 7.8 + -7.8 = 0.0
0.0 + -1n = -12 + -7.8
-1n = -12 + -7.8

Combine like terms: -12 + -7.8 = -19.8
-1n = -19.8

Divide each side by '-1'.
n = 19.8

Simplifying
n = 19.8

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