2(7+n)=40

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Solution for 2(7+n)=40 equation: 


Simplifying
2(7 + n) = 40
(7 * 2 + n * 2) = 40
(14 + 2n) = 40

Solving
14 + 2n = 40

Solving for variable 'n'.

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

Add '-14' to each side of the equation.
14 + -14 + 2n = 40 + -14

Combine like terms: 14 + -14 = 0
0 + 2n = 40 + -14
2n = 40 + -14

Combine like terms: 40 + -14 = 26
2n = 26

Divide each side by '2'.
n = 13

Simplifying
n = 13

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