4(k+1)-k=8k-20

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Solution for 4(k+1)-k=8k-20 equation:


Simplifying
4(k + 1) + -1k = 8k + -20

Reorder the terms:
4(1 + k) + -1k = 8k + -20
(1 * 4 + k * 4) + -1k = 8k + -20
(4 + 4k) + -1k = 8k + -20

Combine like terms: 4k + -1k = 3k
4 + 3k = 8k + -20

Reorder the terms:
4 + 3k = -20 + 8k

Solving
4 + 3k = -20 + 8k

Solving for variable 'k'.

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

Add '-8k' to each side of the equation.
4 + 3k + -8k = -20 + 8k + -8k

Combine like terms: 3k + -8k = -5k
4 + -5k = -20 + 8k + -8k

Combine like terms: 8k + -8k = 0
4 + -5k = -20 + 0
4 + -5k = -20

Add '-4' to each side of the equation.
4 + -4 + -5k = -20 + -4

Combine like terms: 4 + -4 = 0
0 + -5k = -20 + -4
-5k = -20 + -4

Combine like terms: -20 + -4 = -24
-5k = -24

Divide each side by '-5'.
k = 4.8

Simplifying
k = 4.8

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