15=7-5n+3

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Solution for 15=7-5n+3 equation:


Simplifying
15 = 7 + -5n + 3

Reorder the terms:
15 = 7 + 3 + -5n

Combine like terms: 7 + 3 = 10
15 = 10 + -5n

Solving
15 = 10 + -5n

Solving for variable 'n'.

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

Add '5n' to each side of the equation.
15 + 5n = 10 + -5n + 5n

Combine like terms: -5n + 5n = 0
15 + 5n = 10 + 0
15 + 5n = 10

Add '-15' to each side of the equation.
15 + -15 + 5n = 10 + -15

Combine like terms: 15 + -15 = 0
0 + 5n = 10 + -15
5n = 10 + -15

Combine like terms: 10 + -15 = -5
5n = -5

Divide each side by '5'.
n = -1

Simplifying
n = -1

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