5(k+2)-9(k-4)=105

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Solution for 5(k+2)-9(k-4)=105 equation:


Simplifying
5(k + 2) + -9(k + -4) = 105

Reorder the terms:
5(2 + k) + -9(k + -4) = 105
(2 * 5 + k * 5) + -9(k + -4) = 105
(10 + 5k) + -9(k + -4) = 105

Reorder the terms:
10 + 5k + -9(-4 + k) = 105
10 + 5k + (-4 * -9 + k * -9) = 105
10 + 5k + (36 + -9k) = 105

Reorder the terms:
10 + 36 + 5k + -9k = 105

Combine like terms: 10 + 36 = 46
46 + 5k + -9k = 105

Combine like terms: 5k + -9k = -4k
46 + -4k = 105

Solving
46 + -4k = 105

Solving for variable 'k'.

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

Add '-46' to each side of the equation.
46 + -46 + -4k = 105 + -46

Combine like terms: 46 + -46 = 0
0 + -4k = 105 + -46
-4k = 105 + -46

Combine like terms: 105 + -46 = 59
-4k = 59

Divide each side by '-4'.
k = -14.75

Simplifying
k = -14.75

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