30.5=-4.5(8.5k-9)

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Solution for 30.5=-4.5(8.5k-9) equation:


Simplifying
30.5 = -4.5(8.5k + -9)

Reorder the terms:
30.5 = -4.5(-9 + 8.5k)
30.5 = (-9 * -4.5 + 8.5k * -4.5)
30.5 = (40.5 + -38.25k)

Solving
30.5 = 40.5 + -38.25k

Solving for variable 'k'.

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

Add '38.25k' to each side of the equation.
30.5 + 38.25k = 40.5 + -38.25k + 38.25k

Combine like terms: -38.25k + 38.25k = 0.00
30.5 + 38.25k = 40.5 + 0.00
30.5 + 38.25k = 40.5

Add '-30.5' to each side of the equation.
30.5 + -30.5 + 38.25k = 40.5 + -30.5

Combine like terms: 30.5 + -30.5 = 0.0
0.0 + 38.25k = 40.5 + -30.5
38.25k = 40.5 + -30.5

Combine like terms: 40.5 + -30.5 = 10
38.25k = 10

Divide each side by '38.25'.
k = 0.2614379085

Simplifying
k = 0.2614379085

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