28-k=7(k+4)

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Solution for 28-k=7(k+4) equation:


Simplifying
28 + -1k = 7(k + 4)

Reorder the terms:
28 + -1k = 7(4 + k)
28 + -1k = (4 * 7 + k * 7)
28 + -1k = (28 + 7k)

Add '-28' to each side of the equation.
28 + -28 + -1k = 28 + -28 + 7k

Combine like terms: 28 + -28 = 0
0 + -1k = 28 + -28 + 7k
-1k = 28 + -28 + 7k

Combine like terms: 28 + -28 = 0
-1k = 0 + 7k
-1k = 7k

Solving
-1k = 7k

Solving for variable 'k'.

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

Add '-7k' to each side of the equation.
-1k + -7k = 7k + -7k

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

Combine like terms: 7k + -7k = 0
-8k = 0

Divide each side by '-8'.
k = 0

Simplifying
k = 0

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