.40(5k+35)-8=12

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Solution for .40(5k+35)-8=12 equation:


Simplifying
0.40(5k + 35) + -8 = 12

Reorder the terms:
0.40(35 + 5k) + -8 = 12
(35 * 0.40 + 5k * 0.40) + -8 = 12
(14 + 2k) + -8 = 12

Reorder the terms:
14 + -8 + 2k = 12

Combine like terms: 14 + -8 = 6
6 + 2k = 12

Solving
6 + 2k = 12

Solving for variable 'k'.

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

Add '-6' to each side of the equation.
6 + -6 + 2k = 12 + -6

Combine like terms: 6 + -6 = 0
0 + 2k = 12 + -6
2k = 12 + -6

Combine like terms: 12 + -6 = 6
2k = 6

Divide each side by '2'.
k = 3

Simplifying
k = 3

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