8.5+4(1-2.5k)=-24.5

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Solution for 8.5+4(1-2.5k)=-24.5 equation: 


Simplifying
8.5 + 4(1 + -2.5k) = -24.5
8.5 + (1 * 4 + -2.5k * 4) = -24.5
8.5 + (4 + -10k) = -24.5

Combine like terms: 8.5 + 4 = 12.5
12.5 + -10k = -24.5

Solving
12.5 + -10k = -24.5

Solving for variable 'k'.

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

Add '-12.5' to each side of the equation.
12.5 + -12.5 + -10k = -24.5 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -10k = -24.5 + -12.5
-10k = -24.5 + -12.5

Combine like terms: -24.5 + -12.5 = -37
-10k = -37

Divide each side by '-10'.
k = 3.7

Simplifying
k = 3.7

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