n+n+7=n+n+n+5

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Solution for n+n+7=n+n+n+5 equation:


Simplifying
n + n + 7 = n + n + n + 5

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

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

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

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

Combine like terms: 2n + n = 3n
7 + 2n = 5 + 3n

Solving
7 + 2n = 5 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
7 + 2n + -3n = 5 + 3n + -3n

Combine like terms: 2n + -3n = -1n
7 + -1n = 5 + 3n + -3n

Combine like terms: 3n + -3n = 0
7 + -1n = 5 + 0
7 + -1n = 5

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

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

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

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

Simplifying
n = 2

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