9n-7=5n-15

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Solution for 9n-7=5n-15 equation:


Simplifying
9n + -7 = 5n + -15

Reorder the terms:
-7 + 9n = 5n + -15

Reorder the terms:
-7 + 9n = -15 + 5n

Solving
-7 + 9n = -15 + 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.
-7 + 9n + -5n = -15 + 5n + -5n

Combine like terms: 9n + -5n = 4n
-7 + 4n = -15 + 5n + -5n

Combine like terms: 5n + -5n = 0
-7 + 4n = -15 + 0
-7 + 4n = -15

Add '7' to each side of the equation.
-7 + 7 + 4n = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 4n = -15 + 7
4n = -15 + 7

Combine like terms: -15 + 7 = -8
4n = -8

Divide each side by '4'.
n = -2

Simplifying
n = -2

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