-396=-k-7(7k+6)

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Solution for -396=-k-7(7k+6) equation:


Simplifying
-396 = -1k + -7(7k + 6)

Reorder the terms:
-396 = -1k + -7(6 + 7k)
-396 = -1k + (6 * -7 + 7k * -7)
-396 = -1k + (-42 + -49k)

Reorder the terms:
-396 = -42 + -1k + -49k

Combine like terms: -1k + -49k = -50k
-396 = -42 + -50k

Solving
-396 = -42 + -50k

Solving for variable 'k'.

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

Add '50k' to each side of the equation.
-396 + 50k = -42 + -50k + 50k

Combine like terms: -50k + 50k = 0
-396 + 50k = -42 + 0
-396 + 50k = -42

Add '396' to each side of the equation.
-396 + 396 + 50k = -42 + 396

Combine like terms: -396 + 396 = 0
0 + 50k = -42 + 396
50k = -42 + 396

Combine like terms: -42 + 396 = 354
50k = 354

Divide each side by '50'.
k = 7.08

Simplifying
k = 7.08

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