2k+9=7-3-k

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Solution for 2k+9=7-3-k equation:


Simplifying
2k + 9 = 7 + -3 + -1k

Reorder the terms:
9 + 2k = 7 + -3 + -1k

Combine like terms: 7 + -3 = 4
9 + 2k = 4 + -1k

Solving
9 + 2k = 4 + -1k

Solving for variable 'k'.

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

Add 'k' to each side of the equation.
9 + 2k + k = 4 + -1k + k

Combine like terms: 2k + k = 3k
9 + 3k = 4 + -1k + k

Combine like terms: -1k + k = 0
9 + 3k = 4 + 0
9 + 3k = 4

Add '-9' to each side of the equation.
9 + -9 + 3k = 4 + -9

Combine like terms: 9 + -9 = 0
0 + 3k = 4 + -9
3k = 4 + -9

Combine like terms: 4 + -9 = -5
3k = -5

Divide each side by '3'.
k = -1.666666667

Simplifying
k = -1.666666667

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