7k-(9+k)=-(3k+9)

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Solution for 7k-(9+k)=-(3k+9) equation:


Simplifying
7k + -1(9 + k) = -1(3k + 9)
7k + (9 * -1 + k * -1) = -1(3k + 9)
7k + (-9 + -1k) = -1(3k + 9)

Reorder the terms:
-9 + 7k + -1k = -1(3k + 9)

Combine like terms: 7k + -1k = 6k
-9 + 6k = -1(3k + 9)

Reorder the terms:
-9 + 6k = -1(9 + 3k)
-9 + 6k = (9 * -1 + 3k * -1)
-9 + 6k = (-9 + -3k)

Add '9' to each side of the equation.
-9 + 9 + 6k = -9 + 9 + -3k

Combine like terms: -9 + 9 = 0
0 + 6k = -9 + 9 + -3k
6k = -9 + 9 + -3k

Combine like terms: -9 + 9 = 0
6k = 0 + -3k
6k = -3k

Solving
6k = -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.
6k + 3k = -3k + 3k

Combine like terms: 6k + 3k = 9k
9k = -3k + 3k

Combine like terms: -3k + 3k = 0
9k = 0

Divide each side by '9'.
k = 0

Simplifying
k = 0

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