7n+1+3=18

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Solution for 7n+1+3=18 equation: 


Simplifying
7n + 1 + 3 = 18

Reorder the terms:
1 + 3 + 7n = 18

Combine like terms: 1 + 3 = 4
4 + 7n = 18

Solving
4 + 7n = 18

Solving for variable 'n'.

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

Add '-4' to each side of the equation.
4 + -4 + 7n = 18 + -4

Combine like terms: 4 + -4 = 0
0 + 7n = 18 + -4
7n = 18 + -4

Combine like terms: 18 + -4 = 14
7n = 14

Divide each side by '7'.
n = 2

Simplifying
n = 2

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