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

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


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

Reorder the terms:
7(-3 + -1k) = -7 + -5k
(-3 * 7 + -1k * 7) = -7 + -5k
(-21 + -7k) = -7 + -5k

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

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
-21 + -7k + 5k = -7 + -5k + 5k

Combine like terms: -7k + 5k = -2k
-21 + -2k = -7 + -5k + 5k

Combine like terms: -5k + 5k = 0
-21 + -2k = -7 + 0
-21 + -2k = -7

Add '21' to each side of the equation.
-21 + 21 + -2k = -7 + 21

Combine like terms: -21 + 21 = 0
0 + -2k = -7 + 21
-2k = -7 + 21

Combine like terms: -7 + 21 = 14
-2k = 14

Divide each side by '-2'.
k = -7

Simplifying
k = -7

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