7(k+4)=-21

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Solution for 7(k+4)=-21 equation:


Simplifying
7(k + 4) = -21

Reorder the terms:
7(4 + k) = -21
(4 * 7 + k * 7) = -21
(28 + 7k) = -21

Solving
28 + 7k = -21

Solving for variable 'k'.

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

Add '-28' to each side of the equation.
28 + -28 + 7k = -21 + -28

Combine like terms: 28 + -28 = 0
0 + 7k = -21 + -28
7k = -21 + -28

Combine like terms: -21 + -28 = -49
7k = -49

Divide each side by '7'.
k = -7

Simplifying
k = -7

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