32=.4(20k)+27+9k+12

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Solution for 32=.4(20k)+27+9k+12 equation:


Simplifying
32 = 0.4(20k) + 27 + 9k + 12

Remove parenthesis around (20k)
32 = 0.4 * 20k + 27 + 9k + 12

Multiply 0.4 * 20
32 = 8k + 27 + 9k + 12

Reorder the terms:
32 = 27 + 12 + 8k + 9k

Combine like terms: 27 + 12 = 39
32 = 39 + 8k + 9k

Combine like terms: 8k + 9k = 17k
32 = 39 + 17k

Solving
32 = 39 + 17k

Solving for variable 'k'.

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

Add '-17k' to each side of the equation.
32 + -17k = 39 + 17k + -17k

Combine like terms: 17k + -17k = 0
32 + -17k = 39 + 0
32 + -17k = 39

Add '-32' to each side of the equation.
32 + -32 + -17k = 39 + -32

Combine like terms: 32 + -32 = 0
0 + -17k = 39 + -32
-17k = 39 + -32

Combine like terms: 39 + -32 = 7
-17k = 7

Divide each side by '-17'.
k = -0.4117647059

Simplifying
k = -0.4117647059

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