7n+3-2n=18

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Solution for 7n+3-2n=18 equation:


Simplifying
7n + 3 + -2n = 18

Reorder the terms:
3 + 7n + -2n = 18

Combine like terms: 7n + -2n = 5n
3 + 5n = 18

Solving
3 + 5n = 18

Solving for variable 'n'.

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

Add '-3' to each side of the equation.
3 + -3 + 5n = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 5n = 18 + -3
5n = 18 + -3

Combine like terms: 18 + -3 = 15
5n = 15

Divide each side by '5'.
n = 3

Simplifying
n = 3

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