-5+-15=k

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Solution for -5+-15=k equation:


Simplifying
-5 + -15 = k

Combine like terms: -5 + -15 = -20
-20 = k

Solving
-20 = 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.
-20 + -1k = k + -1k

Combine like terms: k + -1k = 0
-20 + -1k = 0

Add '20' to each side of the equation.
-20 + 20 + -1k = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -1k = 0 + 20
-1k = 0 + 20

Combine like terms: 0 + 20 = 20
-1k = 20

Divide each side by '-1'.
k = -20

Simplifying
k = -20

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