40k+80=20k+120

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Solution for 40k+80=20k+120 equation:


40k+80=20k+120

We simplify the equation to the form, which is simple to understand 
40k+80=20k+120

We move all terms containing k to the left and all other terms to the right. 
+40k-20k=+120-80

We simplify left and right side of the equation. 
+20k=+40

We divide both sides of the equation by 20 to get k. 
k=2

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