15-7=n

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Solution for 15-7=n equation:


Simplifying
15 + -7 = n

Combine like terms: 15 + -7 = 8
8 = n

Solving
8 = 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.
8 + -1n = n + -1n

Combine like terms: n + -1n = 0
8 + -1n = 0

Add '-8' to each side of the equation.
8 + -8 + -1n = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1n = 0 + -8
-1n = 0 + -8

Combine like terms: 0 + -8 = -8
-1n = -8

Divide each side by '-1'.
n = 8

Simplifying
n = 8

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