7n-2=40+n

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Solution for 7n-2=40+n equation:


Simplifying
7n + -2 = 40 + n

Reorder the terms:
-2 + 7n = 40 + n

Solving
-2 + 7n = 40 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
-2 + 7n + -1n = 40 + n + -1n

Combine like terms: 7n + -1n = 6n
-2 + 6n = 40 + n + -1n

Combine like terms: n + -1n = 0
-2 + 6n = 40 + 0
-2 + 6n = 40

Add '2' to each side of the equation.
-2 + 2 + 6n = 40 + 2

Combine like terms: -2 + 2 = 0
0 + 6n = 40 + 2
6n = 40 + 2

Combine like terms: 40 + 2 = 42
6n = 42

Divide each side by '6'.
n = 7

Simplifying
n = 7

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