3=20-5k

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Solution for 3=20-5k equation:


Simplifying
3 = 20 + -5k

Solving
3 = 20 + -5k

Solving for variable 'k'.

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

Add '5k' to each side of the equation.
3 + 5k = 20 + -5k + 5k

Combine like terms: -5k + 5k = 0
3 + 5k = 20 + 0
3 + 5k = 20

Add '-3' to each side of the equation.
3 + -3 + 5k = 20 + -3

Combine like terms: 3 + -3 = 0
0 + 5k = 20 + -3
5k = 20 + -3

Combine like terms: 20 + -3 = 17
5k = 17

Divide each side by '5'.
k = 3.4

Simplifying
k = 3.4

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