20=8+-2k

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Solution for 20=8+-2k equation:


Simplifying
20 = 8 + -2k

Solving
20 = 8 + -2k

Solving for variable 'k'.

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

Add '2k' to each side of the equation.
20 + 2k = 8 + -2k + 2k

Combine like terms: -2k + 2k = 0
20 + 2k = 8 + 0
20 + 2k = 8

Add '-20' to each side of the equation.
20 + -20 + 2k = 8 + -20

Combine like terms: 20 + -20 = 0
0 + 2k = 8 + -20
2k = 8 + -20

Combine like terms: 8 + -20 = -12
2k = -12

Divide each side by '2'.
k = -6

Simplifying
k = -6

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