3=19-2n

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Solution for 3=19-2n equation: 


Simplifying
3 = 19 + -2n

Solving
3 = 19 + -2n

Solving for variable 'n'.

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

Add '2n' to each side of the equation.
3 + 2n = 19 + -2n + 2n

Combine like terms: -2n + 2n = 0
3 + 2n = 19 + 0
3 + 2n = 19

Add '-3' to each side of the equation.
3 + -3 + 2n = 19 + -3

Combine like terms: 3 + -3 = 0
0 + 2n = 19 + -3
2n = 19 + -3

Combine like terms: 19 + -3 = 16
2n = 16

Divide each side by '2'.
n = 8

Simplifying
n = 8

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