21+2n=43

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Solution for 21+2n=43 equation: 


Simplifying
21 + 2n = 43

Solving
21 + 2n = 43

Solving for variable 'n'.

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

Add '-21' to each side of the equation.
21 + -21 + 2n = 43 + -21

Combine like terms: 21 + -21 = 0
0 + 2n = 43 + -21
2n = 43 + -21

Combine like terms: 43 + -21 = 22
2n = 22

Divide each side by '2'.
n = 11

Simplifying
n = 11

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