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

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


Simplifying
(7 + -1k) * 3 = (-3 + 3k)

Reorder the terms for easier multiplication:
3(7 + -1k) = (-3 + 3k)
(7 * 3 + -1k * 3) = (-3 + 3k)
(21 + -3k) = (-3 + 3k)

Remove parenthesis around (-3 + 3k)
21 + -3k = -3 + 3k

Solving
21 + -3k = -3 + 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
21 + -3k + -3k = -3 + 3k + -3k

Combine like terms: -3k + -3k = -6k
21 + -6k = -3 + 3k + -3k

Combine like terms: 3k + -3k = 0
21 + -6k = -3 + 0
21 + -6k = -3

Add '-21' to each side of the equation.
21 + -21 + -6k = -3 + -21

Combine like terms: 21 + -21 = 0
0 + -6k = -3 + -21
-6k = -3 + -21

Combine like terms: -3 + -21 = -24
-6k = -24

Divide each side by '-6'.
k = 4

Simplifying
k = 4

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