-13+9=9+k

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Solution for -13+9=9+k equation:


Simplifying
-13 + 9 = 9 + k

Combine like terms: -13 + 9 = -4
-4 = 9 + k

Solving
-4 = 9 + k

Solving for variable 'k'.

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

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

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

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

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

Combine like terms: 9 + 4 = 13
-1k = 13

Divide each side by '-1'.
k = -13

Simplifying
k = -13

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