[k+4]=7

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Solution for [k+4]=7 equation: 


Simplifying
[k + 4] = 7

Reorder the terms:
[4 + k] = 7

Remove brackets around [4 + k]
4 + k = 7

Solving
4 + k = 7

Solving for variable 'k'.

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

Add '-4' to each side of the equation.
4 + -4 + k = 7 + -4

Combine like terms: 4 + -4 = 0
0 + k = 7 + -4
k = 7 + -4

Combine like terms: 7 + -4 = 3
k = 3

Simplifying
k = 3

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