2n+7+5=4

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Solution for 2n+7+5=4 equation: 


Simplifying
2n + 7 + 5 = 4

Reorder the terms:
7 + 5 + 2n = 4

Combine like terms: 7 + 5 = 12
12 + 2n = 4

Solving
12 + 2n = 4

Solving for variable 'n'.

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

Add '-12' to each side of the equation.
12 + -12 + 2n = 4 + -12

Combine like terms: 12 + -12 = 0
0 + 2n = 4 + -12
2n = 4 + -12

Combine like terms: 4 + -12 = -8
2n = -8

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

Simplifying
n = -4

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