1.25k-3(.25k+6)=12

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Solution for 1.25k-3(.25k+6)=12 equation: 


Simplifying
1.25k + -3(0.25k + 6) = 12

Reorder the terms:
1.25k + -3(6 + 0.25k) = 12
1.25k + (6 * -3 + 0.25k * -3) = 12
1.25k + (-18 + -0.75k) = 12

Reorder the terms:
-18 + 1.25k + -0.75k = 12

Combine like terms: 1.25k + -0.75k = 0.5k
-18 + 0.5k = 12

Solving
-18 + 0.5k = 12

Solving for variable 'k'.

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

Add '18' to each side of the equation.
-18 + 18 + 0.5k = 12 + 18

Combine like terms: -18 + 18 = 0
0 + 0.5k = 12 + 18
0.5k = 12 + 18

Combine like terms: 12 + 18 = 30
0.5k = 30

Divide each side by '0.5'.
k = 60

Simplifying
k = 60

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