20k+80=10+90

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Solution for 20k+80=10+90 equation: 



20k+80=10+90

We move all terms to the left:

20k+80-(10+90)=0

We add all the numbers together, and all the variables

20k+80-100=0

We add all the numbers together, and all the variables

20k-20=0

We move all terms containing k to the left, all other terms to the right

20k=20

k=20/20

k=1

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