k+7+k=49

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Solution for k+7+k=49 equation: 


Simplifying
k + 7 + k = 49

Reorder the terms:
7 + k + k = 49

Combine like terms: k + k = 2k
7 + 2k = 49

Solving
7 + 2k = 49

Solving for variable 'k'.

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

Add '-7' to each side of the equation.
7 + -7 + 2k = 49 + -7

Combine like terms: 7 + -7 = 0
0 + 2k = 49 + -7
2k = 49 + -7

Combine like terms: 49 + -7 = 42
2k = 42

Divide each side by '2'.
k = 21

Simplifying
k = 21

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