7+4+n=18

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Solution for 7+4+n=18 equation: 


Simplifying
7 + 4 + n = 18

Combine like terms: 7 + 4 = 11
11 + n = 18

Solving
11 + n = 18

Solving for variable 'n'.

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

Add '-11' to each side of the equation.
11 + -11 + n = 18 + -11

Combine like terms: 11 + -11 = 0
0 + n = 18 + -11
n = 18 + -11

Combine like terms: 18 + -11 = 7
n = 7

Simplifying
n = 7

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