K+-3=7

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Solution for K+-3=7 equation: 


Simplifying
K + -3 = 7

Reorder the terms:
-3 + K = 7

Solving
-3 + K = 7

Solving for variable 'K'.

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

Add '3' to each side of the equation.
-3 + 3 + K = 7 + 3

Combine like terms: -3 + 3 = 0
0 + K = 7 + 3
K = 7 + 3

Combine like terms: 7 + 3 = 10
K = 10

Simplifying
K = 10

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