7n-5=2n-15

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Solution for 7n-5=2n-15 equation:


Simplifying
7n + -5 = 2n + -15

Reorder the terms:
-5 + 7n = 2n + -15

Reorder the terms:
-5 + 7n = -15 + 2n

Solving
-5 + 7n = -15 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
-5 + 7n + -2n = -15 + 2n + -2n

Combine like terms: 7n + -2n = 5n
-5 + 5n = -15 + 2n + -2n

Combine like terms: 2n + -2n = 0
-5 + 5n = -15 + 0
-5 + 5n = -15

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

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

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

Divide each side by '5'.
n = -2

Simplifying
n = -2

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