7k+42=12

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Solution for 7k+42=12 equation: 


Simplifying
7k + 42 = 12

Reorder the terms:
42 + 7k = 12

Solving
42 + 7k = 12

Solving for variable 'k'.

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

Add '-42' to each side of the equation.
42 + -42 + 7k = 12 + -42

Combine like terms: 42 + -42 = 0
0 + 7k = 12 + -42
7k = 12 + -42

Combine like terms: 12 + -42 = -30
7k = -30

Divide each side by '7'.
k = -4.285714286

Simplifying
k = -4.285714286

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