2n+x=21

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Solution for 2n+x=21 equation: 


Simplifying
2n + x = 21

Solving
2n + x = 21

Solving for variable 'n'.

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

Add '-1x' to each side of the equation.
2n + x + -1x = 21 + -1x

Combine like terms: x + -1x = 0
2n + 0 = 21 + -1x
2n = 21 + -1x

Divide each side by '2'.
n = 10.5 + -0.5x

Simplifying
n = 10.5 + -0.5x

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