25-k=20

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Solution for 25-k=20 equation:


Simplifying
25 + -1k = 20

Solving
25 + -1k = 20

Solving for variable 'k'.

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

Add '-25' to each side of the equation.
25 + -25 + -1k = 20 + -25

Combine like terms: 25 + -25 = 0
0 + -1k = 20 + -25
-1k = 20 + -25

Combine like terms: 20 + -25 = -5
-1k = -5

Divide each side by '-1'.
k = 5

Simplifying
k = 5

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