2k-21=31

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Solution for 2k-21=31 equation: 


Simplifying
2k + -21 = 31

Reorder the terms:
-21 + 2k = 31

Solving
-21 + 2k = 31

Solving for variable 'k'.

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

Add '21' to each side of the equation.
-21 + 21 + 2k = 31 + 21

Combine like terms: -21 + 21 = 0
0 + 2k = 31 + 21
2k = 31 + 21

Combine like terms: 31 + 21 = 52
2k = 52

Divide each side by '2'.
k = 26

Simplifying
k = 26

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