30-2k-3k=15

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Solution for 30-2k-3k=15 equation: 


Simplifying
30 + -2k + -3k = 15

Combine like terms: -2k + -3k = -5k
30 + -5k = 15

Solving
30 + -5k = 15

Solving for variable 'k'.

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

Add '-30' to each side of the equation.
30 + -30 + -5k = 15 + -30

Combine like terms: 30 + -30 = 0
0 + -5k = 15 + -30
-5k = 15 + -30

Combine like terms: 15 + -30 = -15
-5k = -15

Divide each side by '-5'.
k = 3

Simplifying
k = 3

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