31-18+3k=34

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Solution for 31-18+3k=34 equation: 


Simplifying
31 + -18 + 3k = 34

Combine like terms: 31 + -18 = 13
13 + 3k = 34

Solving
13 + 3k = 34

Solving for variable 'k'.

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

Add '-13' to each side of the equation.
13 + -13 + 3k = 34 + -13

Combine like terms: 13 + -13 = 0
0 + 3k = 34 + -13
3k = 34 + -13

Combine like terms: 34 + -13 = 21
3k = 21

Divide each side by '3'.
k = 7

Simplifying
k = 7

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