7(3-k)=-3k+5

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Solution for 7(3-k)=-3k+5 equation:


Simplifying
7(3 + -1k) = -3k + 5
(3 * 7 + -1k * 7) = -3k + 5
(21 + -7k) = -3k + 5

Reorder the terms:
21 + -7k = 5 + -3k

Solving
21 + -7k = 5 + -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 + -7k + 3k = 5 + -3k + 3k

Combine like terms: -7k + 3k = -4k
21 + -4k = 5 + -3k + 3k

Combine like terms: -3k + 3k = 0
21 + -4k = 5 + 0
21 + -4k = 5

Add '-21' to each side of the equation.
21 + -21 + -4k = 5 + -21

Combine like terms: 21 + -21 = 0
0 + -4k = 5 + -21
-4k = 5 + -21

Combine like terms: 5 + -21 = -16
-4k = -16

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

Simplifying
k = 4

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