-20+k=k-4k

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Solution for -20+k=k-4k equation:


Simplifying
-20 + k = k + -4k

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

Solving
-20 + k = -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.
-20 + k + 3k = -3k + 3k

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

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

Add '20' to each side of the equation.
-20 + 20 + 4k = 0 + 20

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

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

Divide each side by '4'.
k = 5

Simplifying
k = 5

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