-357=-7+7(-2+6k)

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Solution for -357=-7+7(-2+6k) equation:


Simplifying
-357 = -7 + 7(-2 + 6k)
-357 = -7 + (-2 * 7 + 6k * 7)
-357 = -7 + (-14 + 42k)

Combine like terms: -7 + -14 = -21
-357 = -21 + 42k

Solving
-357 = -21 + 42k

Solving for variable 'k'.

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

Add '-42k' to each side of the equation.
-357 + -42k = -21 + 42k + -42k

Combine like terms: 42k + -42k = 0
-357 + -42k = -21 + 0
-357 + -42k = -21

Add '357' to each side of the equation.
-357 + 357 + -42k = -21 + 357

Combine like terms: -357 + 357 = 0
0 + -42k = -21 + 357
-42k = -21 + 357

Combine like terms: -21 + 357 = 336
-42k = 336

Divide each side by '-42'.
k = -8

Simplifying
k = -8

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