7k+12=5(k+6)-8

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Solution for 7k+12=5(k+6)-8 equation:


Simplifying
7k + 12 = 5(k + 6) + -8

Reorder the terms:
12 + 7k = 5(k + 6) + -8

Reorder the terms:
12 + 7k = 5(6 + k) + -8
12 + 7k = (6 * 5 + k * 5) + -8
12 + 7k = (30 + 5k) + -8

Reorder the terms:
12 + 7k = 30 + -8 + 5k

Combine like terms: 30 + -8 = 22
12 + 7k = 22 + 5k

Solving
12 + 7k = 22 + 5k

Solving for variable 'k'.

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

Add '-5k' to each side of the equation.
12 + 7k + -5k = 22 + 5k + -5k

Combine like terms: 7k + -5k = 2k
12 + 2k = 22 + 5k + -5k

Combine like terms: 5k + -5k = 0
12 + 2k = 22 + 0
12 + 2k = 22

Add '-12' to each side of the equation.
12 + -12 + 2k = 22 + -12

Combine like terms: 12 + -12 = 0
0 + 2k = 22 + -12
2k = 22 + -12

Combine like terms: 22 + -12 = 10
2k = 10

Divide each side by '2'.
k = 5

Simplifying
k = 5

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