3n-3n-5=n-7

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


Simplifying
3n + -3n + -5 = n + -7

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

Combine like terms: 3n + -3n = 0
-5 + 0 = n + -7
-5 = n + -7

Reorder the terms:
-5 = -7 + n

Solving
-5 = -7 + 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.
-5 + -1n = -7 + n + -1n

Combine like terms: n + -1n = 0
-5 + -1n = -7 + 0
-5 + -1n = -7

Add '5' to each side of the equation.
-5 + 5 + -1n = -7 + 5

Combine like terms: -5 + 5 = 0
0 + -1n = -7 + 5
-1n = -7 + 5

Combine like terms: -7 + 5 = -2
-1n = -2

Divide each side by '-1'.
n = 2

Simplifying
n = 2

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