19-3n=7

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Solution for 19-3n=7 equation: 


Simplifying
19 + -3n = 7

Solving
19 + -3n = 7

Solving for variable 'n'.

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

Add '-19' to each side of the equation.
19 + -19 + -3n = 7 + -19

Combine like terms: 19 + -19 = 0
0 + -3n = 7 + -19
-3n = 7 + -19

Combine like terms: 7 + -19 = -12
-3n = -12

Divide each side by '-3'.
n = 4

Simplifying
n = 4

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