7k+12=9k

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Solution for 7k+12=9k equation:


Simplifying
7k + 12 = 9k

Reorder the terms:
12 + 7k = 9k

Solving
12 + 7k = 9k

Solving for variable 'k'.

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

Add '-9k' to each side of the equation.
12 + 7k + -9k = 9k + -9k

Combine like terms: 7k + -9k = -2k
12 + -2k = 9k + -9k

Combine like terms: 9k + -9k = 0
12 + -2k = 0

Add '-12' to each side of the equation.
12 + -12 + -2k = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -2k = 0 + -12
-2k = 0 + -12

Combine like terms: 0 + -12 = -12
-2k = -12

Divide each side by '-2'.
k = 6

Simplifying
k = 6

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