50k+70=40+90

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Solution for 50k+70=40+90 equation: 



50k+70=40+90

We move all terms to the left:

50k+70-(40+90)=0

We add all the numbers together, and all the variables

50k+70-130=0

We add all the numbers together, and all the variables

50k-60=0

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

50k=60

k=60/50

k=1+1/5

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