28=8k+12-7k

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Solution for 28=8k+12-7k equation:


Simplifying
28 = 8k + 12 + -7k

Reorder the terms:
28 = 12 + 8k + -7k

Combine like terms: 8k + -7k = 1k
28 = 12 + 1k

Solving
28 = 12 + 1k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
28 + -1k = 12 + 1k + -1k

Combine like terms: 1k + -1k = 0
28 + -1k = 12 + 0
28 + -1k = 12

Add '-28' to each side of the equation.
28 + -28 + -1k = 12 + -28

Combine like terms: 28 + -28 = 0
0 + -1k = 12 + -28
-1k = 12 + -28

Combine like terms: 12 + -28 = -16
-1k = -16

Divide each side by '-1'.
k = 16

Simplifying
k = 16

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