20+8-k=3k-20

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Solution for 20+8-k=3k-20 equation:


Simplifying
20 + 8 + -1k = 3k + -20

Combine like terms: 20 + 8 = 28
28 + -1k = 3k + -20

Reorder the terms:
28 + -1k = -20 + 3k

Solving
28 + -1k = -20 + 3k

Solving for variable 'k'.

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

Add '-3k' to each side of the equation.
28 + -1k + -3k = -20 + 3k + -3k

Combine like terms: -1k + -3k = -4k
28 + -4k = -20 + 3k + -3k

Combine like terms: 3k + -3k = 0
28 + -4k = -20 + 0
28 + -4k = -20

Add '-28' to each side of the equation.
28 + -28 + -4k = -20 + -28

Combine like terms: 28 + -28 = 0
0 + -4k = -20 + -28
-4k = -20 + -28

Combine like terms: -20 + -28 = -48
-4k = -48

Divide each side by '-4'.
k = 12

Simplifying
k = 12

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