30-2k=20

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Solution for 30-2k=20 equation: 


Simplifying
30 + -2k = 20

Solving
30 + -2k = 20

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 + -2k = 20 + -30

Combine like terms: 30 + -30 = 0
0 + -2k = 20 + -30
-2k = 20 + -30

Combine like terms: 20 + -30 = -10
-2k = -10

Divide each side by '-2'.
k = 5

Simplifying
k = 5

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