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

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


Simplifying
-7 + -1k = -3(5 + 3k)
-7 + -1k = (5 * -3 + 3k * -3)
-7 + -1k = (-15 + -9k)

Solving
-7 + -1k = -15 + -9k

Solving for variable 'k'.

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

Add '9k' to each side of the equation.
-7 + -1k + 9k = -15 + -9k + 9k

Combine like terms: -1k + 9k = 8k
-7 + 8k = -15 + -9k + 9k

Combine like terms: -9k + 9k = 0
-7 + 8k = -15 + 0
-7 + 8k = -15

Add '7' to each side of the equation.
-7 + 7 + 8k = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 8k = -15 + 7
8k = -15 + 7

Combine like terms: -15 + 7 = -8
8k = -8

Divide each side by '8'.
k = -1

Simplifying
k = -1

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