17+2n=21

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Solution for 17+2n=21 equation: 


Simplifying
17 + 2n = 21

Solving
17 + 2n = 21

Solving for variable 'n'.

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

Add '-17' to each side of the equation.
17 + -17 + 2n = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 2n = 21 + -17
2n = 21 + -17

Combine like terms: 21 + -17 = 4
2n = 4

Divide each side by '2'.
n = 2

Simplifying
n = 2

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