9k+k-5k-k+5=45

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Solution for 9k+k-5k-k+5=45 equation:


Simplifying
9k + k + -5k + -1k + 5 = 45

Reorder the terms:
5 + 9k + k + -5k + -1k = 45

Combine like terms: 9k + k = 10k
5 + 10k + -5k + -1k = 45

Combine like terms: 10k + -5k = 5k
5 + 5k + -1k = 45

Combine like terms: 5k + -1k = 4k
5 + 4k = 45

Solving
5 + 4k = 45

Solving for variable 'k'.

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

Add '-5' to each side of the equation.
5 + -5 + 4k = 45 + -5

Combine like terms: 5 + -5 = 0
0 + 4k = 45 + -5
4k = 45 + -5

Combine like terms: 45 + -5 = 40
4k = 40

Divide each side by '4'.
k = 10

Simplifying
k = 10

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