7n+2n+3=30

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Solution for 7n+2n+3=30 equation: 


Simplifying
7n + 2n + 3 = 30

Reorder the terms:
3 + 7n + 2n = 30

Combine like terms: 7n + 2n = 9n
3 + 9n = 30

Solving
3 + 9n = 30

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 + 9n = 30 + -3

Combine like terms: 3 + -3 = 0
0 + 9n = 30 + -3
9n = 30 + -3

Combine like terms: 30 + -3 = 27
9n = 27

Divide each side by '9'.
n = 3

Simplifying
n = 3

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