-2[7-n]+4=

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Solution for -2[7-n]+4= equation:


Simplifying
-2[7 + -1n] + 4 = 0
[7 * -2 + -1n * -2] + 4 = 0
[-14 + 2n] + 4 = 0

Reorder the terms:
-14 + 4 + 2n = 0

Combine like terms: -14 + 4 = -10
-10 + 2n = 0

Solving
-10 + 2n = 0

Solving for variable 'n'.

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

Add '10' to each side of the equation.
-10 + 10 + 2n = 0 + 10

Combine like terms: -10 + 10 = 0
0 + 2n = 0 + 10
2n = 0 + 10

Combine like terms: 0 + 10 = 10
2n = 10

Divide each side by '2'.
n = 5

Simplifying
n = 5

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