7n+12=40

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Solution for 7n+12=40 equation: 


Simplifying
7n + 12 = 40

Reorder the terms:
12 + 7n = 40

Solving
12 + 7n = 40

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 7n = 40 + -12

Combine like terms: 12 + -12 = 0
0 + 7n = 40 + -12
7n = 40 + -12

Combine like terms: 40 + -12 = 28
7n = 28

Divide each side by '7'.
n = 4

Simplifying
n = 4

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