2+(k+3)=7

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Solution for 2+(k+3)=7 equation: 


Simplifying
2 + (k + 3) = 7

Reorder the terms:
2 + (3 + k) = 7

Remove parenthesis around (3 + k)
2 + 3 + k = 7

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

Solving
5 + k = 7

Solving for variable 'k'.

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

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

Combine like terms: 5 + -5 = 0
0 + k = 7 + -5
k = 7 + -5

Combine like terms: 7 + -5 = 2
k = 2

Simplifying
k = 2

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