.4(5k+35)=20

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Solution for .4(5k+35)=20 equation: 


Simplifying
0.4(5k + 35) = 20

Reorder the terms:
0.4(35 + 5k) = 20
(35 * 0.4 + 5k * 0.4) = 20
(14 + 2k) = 20

Solving
14 + 2k = 20

Solving for variable 'k'.

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

Add '-14' to each side of the equation.
14 + -14 + 2k = 20 + -14

Combine like terms: 14 + -14 = 0
0 + 2k = 20 + -14
2k = 20 + -14

Combine like terms: 20 + -14 = 6
2k = 6

Divide each side by '2'.
k = 3

Simplifying
k = 3

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