-3k-21-5k+4=23

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Solution for -3k-21-5k+4=23 equation:


Simplifying
-3k + -21 + -5k + 4 = 23

Reorder the terms:
-21 + 4 + -3k + -5k = 23

Combine like terms: -21 + 4 = -17
-17 + -3k + -5k = 23

Combine like terms: -3k + -5k = -8k
-17 + -8k = 23

Solving
-17 + -8k = 23

Solving for variable 'k'.

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

Add '17' to each side of the equation.
-17 + 17 + -8k = 23 + 17

Combine like terms: -17 + 17 = 0
0 + -8k = 23 + 17
-8k = 23 + 17

Combine like terms: 23 + 17 = 40
-8k = 40

Divide each side by '-8'.
k = -5

Simplifying
k = -5

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