7n-12=2n-8

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Solution for 7n-12=2n-8 equation:


Simplifying
7n + -12 = 2n + -8

Reorder the terms:
-12 + 7n = 2n + -8

Reorder the terms:
-12 + 7n = -8 + 2n

Solving
-12 + 7n = -8 + 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.
-12 + 7n + -2n = -8 + 2n + -2n

Combine like terms: 7n + -2n = 5n
-12 + 5n = -8 + 2n + -2n

Combine like terms: 2n + -2n = 0
-12 + 5n = -8 + 0
-12 + 5n = -8

Add '12' to each side of the equation.
-12 + 12 + 5n = -8 + 12

Combine like terms: -12 + 12 = 0
0 + 5n = -8 + 12
5n = -8 + 12

Combine like terms: -8 + 12 = 4
5n = 4

Divide each side by '5'.
n = 0.8

Simplifying
n = 0.8

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