-21+7k=-7(8k+3)

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Solution for -21+7k=-7(8k+3) equation:


Simplifying
-21 + 7k = -7(8k + 3)

Reorder the terms:
-21 + 7k = -7(3 + 8k)
-21 + 7k = (3 * -7 + 8k * -7)
-21 + 7k = (-21 + -56k)

Add '21' to each side of the equation.
-21 + 21 + 7k = -21 + 21 + -56k

Combine like terms: -21 + 21 = 0
0 + 7k = -21 + 21 + -56k
7k = -21 + 21 + -56k

Combine like terms: -21 + 21 = 0
7k = 0 + -56k
7k = -56k

Solving
7k = -56k

Solving for variable 'k'.

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

Add '56k' to each side of the equation.
7k + 56k = -56k + 56k

Combine like terms: 7k + 56k = 63k
63k = -56k + 56k

Combine like terms: -56k + 56k = 0
63k = 0

Divide each side by '63'.
k = 0

Simplifying
k = 0

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