2k+10=31-k

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Solution for 2k+10=31-k equation:


Simplifying
2k + 10 = 31 + -1k

Reorder the terms:
10 + 2k = 31 + -1k

Solving
10 + 2k = 31 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
10 + 2k + k = 31 + -1k + k

Combine like terms: 2k + k = 3k
10 + 3k = 31 + -1k + k

Combine like terms: -1k + k = 0
10 + 3k = 31 + 0
10 + 3k = 31

Add '-10' to each side of the equation.
10 + -10 + 3k = 31 + -10

Combine like terms: 10 + -10 = 0
0 + 3k = 31 + -10
3k = 31 + -10

Combine like terms: 31 + -10 = 21
3k = 21

Divide each side by '3'.
k = 7

Simplifying
k = 7

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