7n-15=n-3

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Solution for 7n-15=n-3 equation:


Simplifying
7n + -15 = n + -3

Reorder the terms:
-15 + 7n = n + -3

Reorder the terms:
-15 + 7n = -3 + n

Solving
-15 + 7n = -3 + 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.
-15 + 7n + -1n = -3 + n + -1n

Combine like terms: 7n + -1n = 6n
-15 + 6n = -3 + n + -1n

Combine like terms: n + -1n = 0
-15 + 6n = -3 + 0
-15 + 6n = -3

Add '15' to each side of the equation.
-15 + 15 + 6n = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 6n = -3 + 15
6n = -3 + 15

Combine like terms: -3 + 15 = 12
6n = 12

Divide each side by '6'.
n = 2

Simplifying
n = 2

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