5k+7=-3k-9

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Solution for 5k+7=-3k-9 equation:


Simplifying
5k + 7 = -3k + -9

Reorder the terms:
7 + 5k = -3k + -9

Reorder the terms:
7 + 5k = -9 + -3k

Solving
7 + 5k = -9 + -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.
7 + 5k + 3k = -9 + -3k + 3k

Combine like terms: 5k + 3k = 8k
7 + 8k = -9 + -3k + 3k

Combine like terms: -3k + 3k = 0
7 + 8k = -9 + 0
7 + 8k = -9

Add '-7' to each side of the equation.
7 + -7 + 8k = -9 + -7

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

Combine like terms: -9 + -7 = -16
8k = -16

Divide each side by '8'.
k = -2

Simplifying
k = -2

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