x(2.2)+k(1.8)+5=15

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Solution for x(2.2)+k(1.8)+5=15 equation: 


Simplifying
x(2.2) + k(1.8) + 5 = 15

Reorder the terms for easier multiplication:
2.2x + k(1.8) + 5 = 15

Reorder the terms for easier multiplication:
2.2x + 1.8k + 5 = 15

Reorder the terms:
5 + 1.8k + 2.2x = 15

Solving
5 + 1.8k + 2.2x = 15

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 + 1.8k + -5 + 2.2x = 15 + -5

Reorder the terms:
5 + -5 + 1.8k + 2.2x = 15 + -5

Combine like terms: 5 + -5 = 0
0 + 1.8k + 2.2x = 15 + -5
1.8k + 2.2x = 15 + -5

Combine like terms: 15 + -5 = 10
1.8k + 2.2x = 10

Add '-2.2x' to each side of the equation.
1.8k + 2.2x + -2.2x = 10 + -2.2x

Combine like terms: 2.2x + -2.2x = 0.0
1.8k + 0.0 = 10 + -2.2x
1.8k = 10 + -2.2x

Divide each side by '1.8'.
k = 5.555555556 + -1.222222222x

Simplifying
k = 5.555555556 + -1.222222222x

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