2-7+n=4

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Solution for 2-7+n=4 equation: 


Simplifying
2 + -7 + n = 4

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

Solving
-5 + n = 4

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + n = 4 + 5

Combine like terms: -5 + 5 = 0
0 + n = 4 + 5
n = 4 + 5

Combine like terms: 4 + 5 = 9
n = 9

Simplifying
n = 9

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